Bad Habits for Teens

Biting your fingernails or the skin around them, usually without noticing you've started.

Popping your knuckles by stretching or bending your fingers until they crack.

Pulling out hair from your scalp, eyebrows, or eyelashes, often during idle or focused moments.

Biting or chewing the inside of your cheek, often while concentrating or feeling tense.

Repeatedly licking your lips, usually in response to dryness or as a nervous habit.

Replaying decisions and possibilities in endless mental loops that analyze without concluding.

Picking at pimples, scabs, bumps, or the skin around your nails, often on autopilot.

Regularly chewing gum throughout the day, often for focus, freshness, or fidgeting.

Using profanity in everyday speech, from casual emphasis to reflexive filler.

Consistently consuming added sugar well beyond recommended limits through sweets, snacks, and drinks.

Talking about people who aren't present, from harmless catching-up to reputation-damaging speculation.

Habitual use of e-cigarettes or vapes, often in near-constant small hits throughout the day.

Watching multiple episodes of a show back-to-back in one sitting, often unplanned.

Jumping from a small setback straight to the worst-case scenario and treating it as likely.

Habitually measuring your life, body, or success against the curated posts you see on social media.

Habitually measuring your life, progress, and worth against other people's visible results.

Compressing all your studying into the night or two before the exam.

Compulsively scrolling through negative news and social media feeds long past the point of learning anything useful.

Relying on canned caffeine-sugar combinations to get through ordinary days.

Spending more time gaming than feels healthy, often at the expense of sleep, work, or relationships.

Ending contact (with dates, friends, or commitments) by silently disappearing instead of saying so.

Painting the textbook yellow: marking so much that the marks stop meaning anything.

Regularly relying on ultra-processed, high-calorie, low-nutrient food as a dietary default.

A harsh inner voice that narrates your day in criticism: idiot, failure, of course you messed up.

Studying whenever it happens to happen, which reliably means late, rushed, or not at all.

Turning and changing lanes without signaling, leaving other drivers to guess your intentions.

Revealing personal details faster or more widely than the relationship or setting calls for.

Regularly sleeping well beyond nine or ten hours, or far past intended wake times.

Reading notes and textbook chapters over and over, hoping repetition turns into memory.

Habitually saying yes, agreeing, and shape-shifting to keep everyone happy at your own expense.

Looking at your phone while someone is talking to you or spending time with you.

Keeping a foot on the brake pedal constantly: downhill, in traffic, or as a nervous default.

Replaying past events, mistakes, and hurts on a loop: chewing the past without digesting it.

Watching a screen or scrolling your phone while eating, alone or with others.

Using phones, tablets, or laptops in the hour before sleep, usually in bed.

Needing regular external approval (likes, reassurance, compliments) to feel okay about your choices.

Getting stuck watching an endless stream of short videos on TikTok, Reels, Shorts, or similar feeds.

Regularly starting the day without eating until midday or later.

Going without sun protection on exposed skin, even on ordinary days.

Habitually driving over the limit or too fast for conditions, usually to save minutes that don't materialize.

Doing your reading, notes, or laptop work from under the covers.

Keeping your phone next to you while studying: each glance small, the aggregate devastating.

Regularly drinking soda, sweetened coffee drinks, juice, or sweet tea as a default beverage.

Following the car ahead too closely, out of impatience, habit, or pressure to hurry them.

Craning your head down at a phone or laptop for long stretches of the day.

Reading or sending messages behind the wheel, at speed or at stoplights.

Scrolling, watching, or messaging on your phone after getting into bed, usually right before sleep.