Buzz
Humans often engage in peculiar behaviors. Frequently, we remain oblivious to how odd our actions are until we pause and examine ourselves objectively. It’s only then that we begin to question the reasons behind these unusual habits. In the spirit of self-reflection, here are some of the bizarre things we do daily and the top theories explaining their origins.
10. Failing to Replace the Toilet Paper Roll
Replacing a toilet paper roll is far from being a challenging task. Yet, for some reason, many of us struggle to perform this simple chore consistently. Why does this happen? According to psychologists from the University of New York, this oversight isn’t due to laziness but rather because the act of replacing the roll is neither stimulating nor rewarding—except for those who are particularly meticulous.
Tasks such as taking out the trash or washing dishes are similarly dull and uninspiring, but they at least provide the benefit of maintaining a clean, odor-free, and pest-free environment. While correctly loading the toilet paper might improve aesthetics slightly, the impact is minimal and often goes unnoticed.
According to NYU psychologists Edward L. Deci and Richard M. Ryan, for humans to feel genuinely motivated to perform a task, it must fulfill three psychological needs: competence, autonomy, and relatedness. The activity should be sufficiently challenging to instill a sense of accomplishment, allow us to feel in control of our actions, and foster a connection with others. This concept is referred to as the self-determination theory. Replacing the toilet paper roll fails to meet these criteria, with the possible exception of relatedness—if you live in a household that emphasizes collective responsibility and shared chores.
Therefore, convincing a spouse or roommate to consistently replace the toilet paper roll or perform other mundane tasks is likely an uphill battle. Unless you can psychologically persuade them that the task requires skill, doesn’t imply subservience, and strengthens their bonds with others, success is unlikely. Now, that’s a real challenge.
9. The Urge to Bite Adorable Things
Whenever a baby is present, someone inevitably uses a playful, high-pitched voice to say they’re going to “eat them up” or “bite their toes” or nibble on another part of their tiny body. The same playful banter occurs with puppies, and you might have even witnessed someone (or caught yourself) pretending to chomp on a puppy’s paw. But why does this happen? What drives us to humorously express the desire to munch on adorable things?
Researchers propose two primary theories for this behavior. The first suggests that our brain’s pleasure pathways become intertwined. When individuals, especially women, smell a newborn baby, they experience a dopamine surge akin to the feeling of eating something delicious. This connection between cuteness and the scent-induced dopamine response may unconsciously trigger the urge to put cute things in our mouths.
The second theory posits that this behavior is a form of playful biting, a trait shared by many mammals and rooted in our animal instincts. Animals often engage in gentle nipping, mock biting, and playful wrestling, whether to sharpen combat skills, improve coordination, or simply for enjoyment. This behavior typically occurs among trusted companions, as it requires a high level of trust to allow someone to bite you playfully. Thus, playful biting may serve to strengthen social bonds, explaining why we instinctively do it when feeling emotionally drawn to something cute.
8. Laughing at Inappropriate Times
Many of us have experienced the awkwardness of laughing at inappropriate moments, like when someone trips and gets injured or when delivering bad news. Even though we know there’s nothing humorous about a loved one’s passing, we might still struggle to suppress laughter at their funeral. While socially unacceptable, this reaction is surprisingly common and has a logical explanation.
Laughing during serious situations doesn’t indicate a lack of empathy or respect. Instead, it often signals that we’re under significant emotional strain, and laughter serves as a mechanism to alleviate some of the tension. Similarly, giggling when someone falls or gets hurt is thought to be an evolutionary trait, signaling to others that the person isn’t seriously injured and there’s no need for panic.
Laughter is rarely a response to genuine humor. Neuroscientist Sophie Scott explains that it’s primarily a tool for social bonding—it communicates that we like someone, agree with them, or belong to the same group. With this in mind, we shouldn’t be too alarmed if someone chuckles while recounting an unfortunate event, like accidentally hitting our dog with their car. They might simply be feeling uneasy and instinctively trying to connect with us during an uncomfortable moment.
7. Obsession With Psychopaths
A significant portion of the population is captivated by the dark and mysterious, particularly psychopaths. Our nightly entertainment is saturated with stories of deranged, murderous individuals, and oddly enough, we can’t seem to get enough of them. What does this unquenchable curiosity about the worst of humanity reveal about us? There are three primary theories that attempt to explain this fascination.
The first theory suggests that engaging with stories about psychopaths allows us to momentarily shed our conscientious, rule-following personas and imagine life through the lens of someone who acts purely out of self-interest. This person doesn’t concern themselves with others’ emotions or fairness, and by envisioning ourselves in their shoes (even subconsciously), we experience a temporary sense of freedom from societal expectations without any real-world consequences.
On the other hand, forensic psychologist J. Reid Meloy argues that psychopaths represent a form of predator, and stories about them tap into our primal instincts of being both the hunter and the hunted. Consuming media about these human predators allows us to reconnect with our animalistic nature without facing the actual dangers of the wild.
Lastly, Harvard psychiatrist Ron Schouten believes our attraction to psychopaths mirrors our love for horror films or roller coasters. Sometimes, we simply enjoy being scared, and tales of psychotic killers provide that thrill. Fear triggers a surge of neurotransmitters, including dopamine, which creates a pleasurable sensation. In a controlled, safe environment like watching a movie, the fear is fleeting. Beyond the dopamine rush, we often feel a sense of relief or justice (depending on the story’s conclusion), which keeps us returning for more.
6. Faking Knowledge
Many of us have found ourselves in a situation where someone casually asks, 'Have you heard of this?' and without much thought, we reply, 'Yes,' even though, upon reflection, we realize we have no clue what they’re referring to. Similarly, some people habitually pretend to know things even when they’re fully aware they’re clueless. Whether this behavior is intentional or accidental, scientists have an explanation for why we do it.
Cornell professor David Dunning, who has studied this psychological phenomenon, explains that most people fake knowledge for convenience or to reinforce their self-image. He notes that many of us lack a clear understanding of what we truly know, leading us to unconsciously fabricate answers. When asked about a topic, our brains quickly infer, assume, and create explanations on the spot. In that moment, we might claim to know something (even if we don’t) to avoid derailing the conversation or because our brains convince us we *should* know. Essentially, the sensation of knowing often feels more real than actually recalling factual information.
Another, more straightforward reason people pretend to know things is the desire to feel like an expert. But why does this happen?
Neurologist Robert A. Burton explains that society places a high value on knowledge, and being informed is seen as a social advantage—especially for those raised by know-it-all parents. This can create an addiction to feeling knowledgeable. In fact, the brain’s reward system activates similarly whether we’re praised for a correct answer, engage in gambling, or use drugs. As a result, pretending to be the all-knowing person can become a difficult habit to break.
5. Crying
Crying appears to be a common experience, something we rarely consider strange. However, if we pause to reflect on it—saltwater streaming from our eyes during emotional moments—it seems somewhat peculiar. What connection do tears, eyes, and emotions share?
Dutch psychologist Ad Vingerhoets proposes one of the leading theories to explain human crying. He suggests that crying primarily serves as a social signal, rooted in evolutionary distress cues. Most young animals produce distress sounds to signal they need assistance. It’s believed that crying evolved in humans as a way to communicate distress (through tears) without alerting predators with loud noises. While human infants typically cry audibly, adults often shed tears with minimal sound. Evolutionarily, this may have been advantageous, as fellow tribe members could quickly notice the crier’s distress. Notably, humans are the only species that produce emotional tears, as most animals cease distress calls upon reaching adulthood.
Additional evidence supporting crying’s origins as a response to danger or distress is its connection to the sympathetic nervous system (responsible for fight-or-flight responses). For instance, crying not only produces tears but also accelerates heart rate, increases sweating, and slows breathing. Emotional tears even contain leucine enkephalin, a natural painkiller, which may explain why we often feel relief after a good cry.
Thus, while we now cry when alone or during sentimental movies, this behavior may have originally developed as a survival mechanism.
4. Jerking While Falling Asleep
Up to 70% of people experience a sudden twitch or involuntary jerk, known as a hypnagogic jerk, while drifting off to sleep. Beyond amusing those who are awake, this common phenomenon likely has an underlying explanation. However, scientists remain uncertain about its exact cause, though they have proposed several plausible theories.
Some researchers suggest it’s simply an accidental response caused by nerve misfires during the transition from wakefulness to sleep. This occurs because our bodies lack a clear on/off switch for being awake or asleep. Instead, we gradually shift between states, with the reticular activating system (responsible for alertness) and the ventrolateral system (regulating sleepiness) vying for control. During this transitional phase, the struggle between these systems can cause misfires, resulting in twitches that represent the final remnants of wakefulness.
On the other hand, some experts argue it’s an evolutionary remnant from our arboreal ancestors, suggesting the jerks are a primate reflex designed to prevent us from becoming too relaxed and falling from trees.
Other sleep-related spasms differ from hypnagogic jerks. For example, dreaming of falling and then jerking awake is more about dream incorporation, where the brain blends reality with the dream world.
3. Finding Silence Uncomfortable
Even when there’s nothing meaningful to say, many of us feel compelled to fill every quiet moment with conversation. Why is sitting in silence with someone so unsettling, and what makes prolonged quiet moments feel so awkward?
Like many of our behaviors, this stems from our innate need to belong and feel accepted within a group. Psychologist Namkje Koudenburg explains that when conversations don’t follow the usual rhythm, we begin to fear that something is wrong. We might question whether we’re boring or irrelevant, which triggers concerns about our social standing. Conversely, when dialogue flows smoothly, we feel a sense of validation and connection.
However, not all cultures perceive awkward silence the same way Americans do. In Japan, for instance, a prolonged pause can signify respect, particularly when contemplating a serious matter. Cross-cultural business professionals are often trained to understand this nuance, ensuring they don’t misinterpret a silent Japanese colleague as being dissatisfied with the discussion.
Similarly, Finns, Australian Aboriginals, and many Asian cultures are known for embracing extended silent pauses in conversation, viewing them as natural rather than a sign of breakdown. In fact, people from these cultures often perceive Americans as overly talkative and dominating in discussions.
Interestingly, for those accustomed to constant chatter, researchers note that just four seconds of silence can make a situation feel uncomfortable.
2. Enjoying Sad Films
Everyday life brings enough sorrow, hardship, and chaos, making it seem illogical to willingly seek out more sadness during our leisure time. Yet, we often find ourselves drawn to films guaranteed to make us cry. Surprisingly, one reason for this is that watching tragedies can temporarily boost our happiness, enhancing our overall enjoyment of the movie.
A study by Ohio State University revealed that sad movies encourage viewers to reflect on their personal relationships, fostering feelings of gratitude and contentment. Witnessing on-screen tragedies prompts people to evaluate their own lives and appreciate what they have. However, the researchers note that this effect differs from those who watch such films and think, 'At least my life isn’t that bad.' These viewers exhibit self-centered thinking, focusing on themselves rather than others, and don’t experience the same emotional uplift.
Additionally, Dr. Paul Zak explains that watching movies or hearing stories about others triggers empathy, causing our brains to release oxytocin, a hormone that enhances feelings of care and connection. Zak even calls oxytocin the “moral molecule” due to its ability to make us more trustworthy, generous, and compassionate. After a sad movie, the surge of oxytocin leaves us feeling more connected to those around us and generally more fulfilled—even as we wipe away tears. This emotional reward keeps us returning for more heart-wrenching films.
1. Gossiping
While women are often labeled as the more gossip-prone gender, men are equally guilty of this social habit. Research indicates that men gossip 32 percent more than women daily. Regardless of who talks more, spreading harmful gossip can have consequences, yet we often can’t resist the urge to share a little scandal.
This behavior stems from our innate need to bond with those around us—a drive that can overshadow our sense of propriety. Gossiping helps us form social connections, providing conversation topics and fostering trust, as sharing secrets signals confidence in the other person. In return, they share their own secrets, building rapport. Additionally, gossiping can make us feel superior, provide entertainment, and liven up dull moments.
Interestingly, discussing someone’s achievements doesn’t have the same bonding effect. Studies reveal that bonding over shared dislikes creates stronger connections than discussing shared positives.
While gossiping may involve sacrificing someone else’s reputation for immediate social gain, it’s not entirely negative. Anthropologist Robin Dunbar suggests that gossip played a role in the evolutionary development of our brains. He argues that language evolved partly from our desire to share gossip, allowing us to discuss absent individuals and indirectly teach others how to navigate social dynamics.
Approximately 60% of adult conversations revolve around individuals who aren’t present. So, if you suspect your friends are discussing you in your absence, rest assured—it’s almost certainly true.
