Have you ever pretended to hear what someone has said because you already made them repeat it three times and you can’t bear to make them say it again? Been there right. 

There's a lot of things we do, and we don't really know why we do them. 

Our friends at BuzzFeed came up with a list of 49 things most of us are guilty of doing, and we're not even sure why we do these things.

Check out the full list HERE

And see even more things we all do in the video above.