© Shutterstock

We show our teeth when we're happy -

And we know other people are happy when we can see their teeth!

© Shutterstock

We create movies that deliberately scare us -

And we actually get scared watching these things that we know are completely fabricated. What's more, we pay money to enjoy it...

© Shutterstock

We cut off colorful plants to show love -

We collectively think it's a sweet gesture to cut off a plant that has color at the end of it because it's purely a pretty offering.

© Shutterstock

We wiggle our bodies to music -

Sometimes we can't help it when we hear a collection of sound waves we like—we start to wiggle our bodies! We also buy tickets to go see our favorite humans and bop along with other humans to the same sound waves.

© Shutterstock

We clap our hands to show appreciation -

We smack our hands together to make a loud noise and we do it in big groups at the same time to show someone we appreciate them.

© Shutterstock

We love going to pools of water -

Even though we're not amphibious and can't hold our breath very long, we love to gather at man-made pools of water so we can splash around a bit. We also hire other humans to make sure we're safe in the water.

© Shutterstock

We paint our nails -

We add color and designs to our fingernails and toenails for no other function except to make them look pretty.

© Shutterstock

We wrap gifts -

When we buy a gift for someone, we wrap it just so there's suspense for a few seconds before the recipient rips off the paper.

© Shutterstock

We go to amusement parks -

We pay money to get strapped into rides that throw our bodies around and make our stomachs turn because we think that's fun.

© Shutterstock

We do our hair in different ways -

We style our hair in different ways so that we can be more attractive or so that we can feel good about ourselves, or even if we have a mental breakdown (hello, bangs). Same goes for wearing hats.

© Shutterstock

We adopt other animals -

We decide to look after an animal of another species because we think they're so cute, and we teach them things like how to shake hands.

© Shutterstock

We sing a song on birthdays -

We made up a song to sing to people on the day that they were born, and we sing it to everyone to show them that we find them extra special on that day.

© Shutterstock

We steam and iron our clothes -

We put on clean little pieces of special fabric in our specific sizes and steam or iron the wrinkles out so that we look more presentable to other humans.

© Shutterstock

We bring sad people food -

When someone is going through a hard time, we'll bring them food to save them the hassle of having to make or source food themselves.

© Shutterstock

We are obsessed with balls -

We chase them, kick them, throw them, bounce them, and more for a little prize at the end, and we gather in huge numbers to watch other humans do it.

© Shutterstock

We admire what previous humans did -

We travel the world so we can see what previous humans made because we think what they did was so good!

© Shutterstock

We cover our mouths when we're eating -

When we're talking and eating we often cover our mouth with our hand because we don't want people to see our chewing.

© Shutterstock

We yawn -

When we're tired, we take in a huge breath and let out this massive noise while stretching our mouths wide open. Even cuter is that we get the urge to yawn when we see someone else yawning.

© Shutterstock

We have mailboxes and doorbells -

We have little boxes or slots in the door so that humans can leave each other little messages. We also have little buttons to press to let other humans know we're at their house.

© Shutterstock

We hold hands -

We hold hands with people we like. We can even get goosebumps from it, and it can signal that two people are together and they like each other.

© Shutterstock

We drink things that make us silly -

We go to places that specifically sell drinks that make us silly and less skilled, and we also serve the same drink at weddings, business conferences, and more.

© Shutterstock

We're so polite -

If we bump into another human, we feel the need to say sorry and we're even a little embarrassed about it.

© Shutterstock

We love treats and snacks -

We save treats in our cabinets for times when we're in need of comfort or a quick snack. We also have little packages specifically designed for snack portions.

© Shutterstock

We move around in little boxes with wheels -

And we get angry at other people in their own little boxes with wheels because they're going too slow or they're doing something dangerous.

© Shutterstock

We blush and sweat in embarrassment -

Our cheeks and skin can turn a different color and our armpits can get moist if we feel embarrassed or nervous.

© Shutterstock

We buy useless things for decoration -

We have our own little nests and we buy things that sometimes have no use, just to put in our homes and look at. Everyone also has their own unique taste and color palette that they like.

© Shutterstock

We want to be held by other humans -

We wrap our arms around each other in the name of romance, celebration, love, sadness, and even just saying hello or goodbye, and it actually releases happy chemicals in our brains.

© Shutterstock

We have soft, cushy sleeping areas -

We created soft pads and put specific sheets on top of them and other cozy fabrics so we can snuggle into bed every night to sleep. We also cuddle in them, which is like a very long hug.

© Shutterstock

We laugh -

When we hear something we think is funny, we can't help but release an involuntary repetitive sound. Sometimes we don't even have to hear something, it can just be a look shared with another human.

© Shutterstock

We love fellow humans so much -

Not only do we spend hours a week watching other humans act out scenarios on TV and in movies, but we also developed technology so we could see other humans on our screens even if they're very far away.

See also: 30 things that should be more socially acceptable

© Shutterstock