Feel destitute to get controversial .

There are lots of tiny things people do that might signal to you that they’re secretly a pretty gross person.

For example, you might consider someone who eats off the fork that they just let their dog eat from a huge indicator that they don’t have the best hygiene.

Or perhaps hearing that someone changes their bathing towel only once a month makes you gag.

Or you might sometimes see people walking barefoot in their driveway or even in the park, and to you that’s a HUGE red flag.

Or maybe it’s the opposite and when you go over to someone’s home and see that they wear their shoes all around the house, in every room, you just know they must have other gross behaviors.

Whatever it is, tell us the little behaviors that let you know someone is secretly a gross person (or use thisGoogle Form). You could be featured in an upcoming BuzzFeed post or video.

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Feel free to get controversial.

A woman is making a scrunched-up face, looking displeased. She has blonde hair in a ponytail and is wearing a casual outfit. Two people are blurred in the background

Brian, Lois, and Lindsay from Family Guy sitting at a dinner table with plates of food in front of them. Lois appears to be talking

A woman, wet and wrapped in a towel, stands in a dimly lit room, appearing surprised

Barefoot person steps onto a sidewalk, close to the back of a red car. No further identifiable details or people are present

Khloe Kardashian is sitting on a couch in a tracksuit. Below, a person wearing black pants and shoes is lying on a bed. Text: "Do you have shoes on the bed?"