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18 Gross, Funny Habits Couples Develop After Years Together

Updated on July 22, 2025 by TMM Staff · Dating & Confidence

A cheerful couple sits closely on a beige couch, smiling at each other."
©Getty Images/Unsplash.com

Love changes over time, and comfort takes the wheel fast. What starts as butterflies becomes burps, bathroom updates, and using each other as furniture. You stop caring about looking cute 24/7 and start doing things you’d never admit to single friends. These moments might look gross from the outside, but inside the relationship, they feel weirdly normal—and honestly, kind of sweet. Here are 18 gross but funny things couples do once the masks come off and real comfort kicks in.

Table of Contents

Toggle
  • Peeing With the Door Open
  • Popping Each Other’s Pimples
  • Sniff-Testing Each Other’s Clothes
  • Sharing a Toothbrush in a Pinch
  • Commenting on Each Other’s Poop Schedule
  • Burping Contests
  • Farting Freely (and Proudly)
  • Sharing Drinks Even With Floaters
  • Wearing Each Other’s Deodorant or Underwear
  • Clipping Toenails in the Living Room
  • Talking Through the Bathroom Fan
  • Snoring, Drooling, and Still Cuddling
  • Using Each Other as a Tissue
  • Wearing Each Other’s Dirty T-Shirts as Pajamas
  • Doing Gross Grooming Tasks for Each Other
  • Watching Each Other Squeeze Out Ingrown Hairs
  • Not Caring About Morning Breath Kisses
  • Having Entire Conversations Using Grunts and Eye Rolls

Peeing With the Door Open

A woman in underwear sits on a toilet, appearing pensive, with the bathroom door open.
©Daniel Martinez/Unsplash.com

Privacy fades once you’ve lived together long enough. You’ve seen each other in every state imaginable—sick, sleepy, annoyed, hungover. So eventually, the bathroom door stops closing. And somehow, talking through a pee stream becomes more normal than awkward. If you can hold eye contact while flushing, you’re not just in a relationship, you’re in deep.

Popping Each Other’s Pimples

A man in glasses tenderly touches a woman's chin as they gaze at each other.
©Andrej Lišakov/Unsplash.com

It starts small. A blackhead on his back. A whitehead on her chin. Next thing you know, you’re turning on the lamp like it’s an operating room. You could call it gross or weird, but it’s also a strange sign of trust. Not everyone gets to dig into your pores—that’s reserved for your person.

Sniff-Testing Each Other’s Clothes

A man with curly hair buries his face in a brown towel in a bathroom.
©Natalia Blauth/Unsplash.com

Laundry day is tomorrow, so you’re both playing the “Can I re-wear this?” game. One quick sniff test becomes a team effort. She sniffs your shirt. You sniff her hoodie. If it passes the test, it’s back in rotation. No shame. Just efficiency.

Sharing a Toothbrush in a Pinch

A couple in bathrobes smiles at each other in the mirror while brushing hair and teeth.
©Getty Images/Unsplash.com

You forget yours on a trip. There’s only one option. It feels wrong for two seconds…then you do it anyway because you’ve swapped enough spit over the years that a toothbrush doesn’t feel like a big deal anymore. Gross? Maybe. But you’re not losing sleep over it.

Commenting on Each Other’s Poop Schedule

A happy couple laughs and embraces while cooking in a sunlit kitchen.
©Getty Images/Unsplash.com

There’s a strange comfort in knowing when your partner hasn’t gone in a day or two. You’re not just sharing a home—you’re low-key monitoring each other’s digestive health. “Everything come out okay?” is no longer awkward. It’s just another version of “How was your day?”

Burping Contests

A happy older couple shares a laugh while holding wine glasses on a couch.
©Getty Images/Unsplash.com

You used to excuse yourself. Now you’re competing. There’s nothing graceful about it, and that’s exactly the point. The one who burps the loudest wins. But really, the win is being with someone who thinks that’s funny.

Farting Freely (and Proudly)

A smiling couple holding hands while lying under a white blanket in bed.
©Getty Images/Unsplash.com

You held it in for months at the beginning. Maybe even years. But at some point, one slipped out… and nobody ran. That was the moment. Now it’s a free-for-all under the blankets. You’re not embarrassed anymore. If anything, you’re impressed.

Sharing Drinks Even With Floaters

A laughing woman looks at a smiling man holding a glass of orange juice.
©Getty Images/Unsplash.com

One cup, two people. It’s yours until someone spots a rogue crumb floating near the top. And even then, you just tilt the glass away from the evidence and keep drinking. This isn’t a date. This is real life.

Wearing Each Other’s Deodorant or Underwear

A muscular, smiling man holds up a stick of deodorant while looking in a mirror.
©Getty Images/Unsplash.com

You ran out. Their stuff was right there. You swiped it on or slipped it on—and that was that. Maybe it didn’t fit right. Maybe it smelled different. But it worked, and nobody cared. Survival mode looks different in relationships.

Clipping Toenails in the Living Room

A close-up shot of a person's hands clipping a fingernail with clippers.
©Yazid N/Unsplash.com

You used to do it in private. Now it’s right in front of the TV while catching up on shows. And if a stray clipping flies across the floor? One of you points it out like it’s a stray cat. “That one went rogue.”

Talking Through the Bathroom Fan

A woman in a towel reaches for a running faucet, with a man in the background.
©Getty Images/Unsplash.com

You’re brushing your teeth or mid-wipe and suddenly remember something important. Do you wait? Nope. You just yell it out over the fan like you’re in a wind tunnel. If your partner can decode that message, you’re officially fluent in each other.

Snoring, Drooling, and Still Cuddling

A man and woman are sleeping and cuddling on a couch in a living room.
©Getty Images/Unsplash.com

You’ve woken up in their drool. Or yours. They snore loud enough to shake the walls. And yet, you still roll over and cuddle like nothing happened. That’s not laziness. That’s love without conditions.

Using Each Other as a Tissue

A person whispers into the ear of another person who is laughing outdoors.
©Alex Moiseev/Unsplash.com

You’re out of napkins. Or you’re just not getting up. So you sneeze—into their shirt, their sleeve, whatever’s closest. And they don’t flinch. They just keep scrolling. That’s what comfort looks like, folks.

Wearing Each Other’s Dirty T-Shirts as Pajamas

A smiling woman in green pajamas lies on a bed while looking at her phone.
©Look Studio/Unsplash.com

You know it’s not clean. You can smell the coffee stain and maybe yesterday’s lunch. But it’s soft and it smells like them, so it becomes your new favorite sleep shirt. Laundry can wait. Love doesn’t care about fresh fabric.

Doing Gross Grooming Tasks for Each Other

A woman applies cream to a smiling man's face in a bathroom with a mirror.
©Getty Images/Unsplash.com

From plucking rogue nose hairs to inspecting mysterious back bumps, you’ve both become part-time estheticians. It’s not sexy. It’s barely sanitary. But when they ask, “Can you check this real quick?” you say yes without thinking. That’s commitment.

Watching Each Other Squeeze Out Ingrown Hairs

A man embraces a woman resting her head on his shoulder, both relaxing indoors.
©Getty Images/Unsplash.com

It’s disgusting. But somehow… satisfying? You pretend to look away, but you’re watching the whole thing like it’s a crime doc. There’s even a shared sense of victory when the job’s done. Gross bonding at its finest.

Not Caring About Morning Breath Kisses

A couple smiles and cuddles together in bed under gray blankets.
©Toa Heftiba/Unsplash.com

You used to dodge kisses before brushing your teeth. Now? You barely open your eyes before you’re smooching. It smells like something died in your mouth, and they kiss you anyway. That’s not romance. That’s resilience.

Having Entire Conversations Using Grunts and Eye Rolls

A happy couple is seated on a couch, with the man holding a remote control.
©Getty Images/Unsplash.com

Sometimes you don’t need words. A sigh, a look, a single grunt says it all. You’ve spent so much time together, you’ve built your own shorthand. It’s not laziness. It’s fluency. And honestly, it works better than most arguments.

Dating & Confidence Everlane

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About TMM Staff

The Modest Man staff writers are experts in men's lifestyle who love teaching guys how to live their best lives.

If an article is published under TMM Staff, that means multiple writers worked on it. For example, sometimes several of us have experience with a certain brand, so we collaborate to publish a more thorough review.

Or, if an article was originally written by one person, but then it was updated by someone else, we'll re-publish it under TMM Staff.

Remember: all of our articles (including those below) are written by real people with decades of combined experience in men's fashion and lifestyle topics.

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