A study published in the Journal of Personality and Social Psychology found that 92% of people admit to having “quirky” private behaviors they’d be embarrassed for others to witness.1
From singing in the shower to making weird faces in the mirror, humans engage in strange activities behind closed doors. But what exactly are these 15 hidden habits?
1. Talk to themselves out loud
Many people engage in entire conversations with themselves when alone. This self-talk can range from rehearsing upcoming interactions to processing emotions and decisions.
Talking to oneself is a typical and healthy behavior. Self-directed speech can improve cognitive performance and help with problem-solving.
A study in the Quarterly Journal of Experimental Psychology found that people who talk to themselves while searching for an object find it more quickly than those who stay silent. (ref)
2. Dance like no one’s watching
When alone, people often bust out their wildest dance moves without fear of judgment. This uninhibited dancing can be a great stress reliever and mood booster.
Dancing has numerous health benefits, both physical and mental. A study published in Frontiers in Psychology found that dancing can reduce depression and anxiety while increasing self-esteem. (ref)
So, next time you’re home alone, turn up the music and let loose!
3. Pick their nose
While most would never admit it, nose-picking is an incredibly common private behavior. Many people find it oddly satisfying despite the social taboo.
While nose-picking is gross, it isn’t necessarily harmful in moderation. However, excessive picking can lead to nosebleeds and even infections.
A study in the Journal of Clinical Psychiatry found that compulsive nose-picking, known as rhinotillexomania, may be linked to obsessive-compulsive disorder in some cases. (ref)
4. Sing in the shower
The shower provides the perfect private stage for many aspiring vocalists. People often belt out their favorite tunes, regardless of their singing ability.
Singing in the shower isn’t just fun – it can have real benefits. The acoustics in most bathrooms can make even amateur singers sound better, boosting confidence.
Additionally, singing releases endorphins and oxytocin, improving mood and reducing stress.
5. Eat bizarre food combinations
When no one’s around to judge, people often indulge in strange food pairings they’d be embarrassed to eat in public. The possibilities are endless, from pickles dipped in peanut butter to potato chips in ice cream.
While some of these combinations may seem odd, they can make sense from a flavor perspective. Sweet and salty pairings, for example, can create a satisfying contrast.
A Food Quality and Preference study found that people who enjoy trying unusual flavor combinations tend to score higher on personality tests for openness to experience. (ref)
6. Smell their body odor
Many people secretly sniff their armpits, feet, or other body parts when alone. This behavior stems from an instinct to check our scent and hygiene.
Smelling oneself is a common and evolutionarily beneficial behavior. Our sense of smell is crucial in detecting potential health or hygiene problems.
A study published in Frontiers in Psychology found that humans can detect certain diseases through body odor, suggesting that self-sniffing may have served as an early warning system for our ancestors. (ref)
7. Practice conversations in the mirror
Rehearsing meaningful conversations or speeches in front of a mirror is a widespread private behavior. This practice helps people feel more prepared and confident.
Mirror practice can be an effective tool for improving communication skills. This technique lets individuals observe their facial expressions and body language, producing a more polished and natural delivery.
8. Eat food straight from the container
When no one’s watching, many people skip the plate and eat directly from jars, boxes, or bags. This habit satisfies immediate cravings without the hassle of dishes.
While eating from containers may seem harmless, it can lead to overconsumption.
A study found that people eat more when consuming food directly from large packages. Researchers suggest using smaller containers or portioning food onto plates to better control portion sizes and calorie intake. (ref)
9. Make weird faces in the mirror
Pulling strange expressions and examining one’s face up close in the mirror is a common private behavior. This habit often stems from curiosity about one’s appearance and facial movements.
Interestingly, making faces in the mirror can have psychological benefits. Deliberately making facial expressions can influence emotional states.
This suggests private mirror time might be an unconscious emotional regulation or self-expression form.
10. Talk to inanimate objects
Many admit to speaking to their plants, pets, or even household appliances when alone. This behavior often serves as a form of self-soothing or processing thoughts out loud.
Talking to objects is more normal than it might seem.
Researchers found that anthropomorphizing objects can increase feelings of social connection and reduce loneliness. (ref) Chatting with your houseplants or coffee makers might have psychological benefits.
11. Engage in imaginary arguments
Many people admit to rehearsing hypothetical debates or confrontations when alone. This behavior often serves as a form of mental preparation or stress relief.
Engaging in imaginary arguments is a common psychological phenomenon.
A study shared that 79% of participants reported regularly having internal dialogues with others. These mental rehearsals can help individuals process emotions and prepare for real-life interactions. (ref)
However, excessive engagement in imaginary arguments may be linked to higher levels of anxiety and rumination.
12. Perform elaborate personal grooming rituals
When alone, people often indulge in extensive grooming routines that they might feel self-conscious about in public.
These can range from elaborate skincare regimens to meticulous hair removal processes. The rituals often serve as a form of self-care and can contribute to overall well-being.
Research from the International Journal of Cosmetic Science suggests that personal grooming rituals can have significant psychological benefits. (ref)
The study shared that 87% of participants reported improved mood and self-esteem after engaging in private grooming routines.
13. Conduct online stalking of exes or crushes
Many individuals admit to secretly checking the social media profiles of former partners or romantic interests when alone. This behavior is often driven by curiosity or a desire for closure.
A survey conducted found that 48% of social media users reported “stalking” an ex-partner online. While this behavior is expected, psychologists warn that it can hinder emotional healing and prolong attachment to past relationships. (ref)
It’s important to recognize when this habit becomes unhealthy and take steps to break the cycle.
14. Practicing Your Signature
When you’re alone with a pen and paper, it’s tempting to practice your signature repeatedly.
Whether trying to perfect your autograph for when you become famous or just doodling your name in different styles, practicing your signature is a common pastime.
It’s a way to express your identity and creativity, even if no one else will see the results.
Stay calm, so start signing important documents with your new and improved signature!
15. Trying on Different Outfits
It’s the perfect opportunity to play dress-up and experiment with different outfits alone in your room. Trying on clothes is a way to express your style and see how various pieces look on your body.
It’s also a chance to get creative and put together combinations you might need more courage to wear in public.
Remember to put everything back where you found it before anyone else sees the fashion show you’ve been putting on for yourself.
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Martha A. Lavallie
Martha is a journalist with close to a decade of experience in uncovering and reporting on the most compelling stories of our time. Passionate about staying ahead of the curve, she specializes in shedding light on trending topics and captivating global narratives. Her insightful articles have garnered acclaim, making her a trusted voice in today's dynamic media landscape.
