Question: how do you know that you have a crush on someone?
Answer: You start doing weird things with your hair. Totally natural. ...  Your life revolves around them. ...  You've started stalking them online. ...  You'll try to spot them in every waking moment. ...  You try your best to bump into them. ...  You'll start hallucinating about them. ...  You make lots of excuses to talk to them. ...  You smile too much.