Question: how to know if you have a crush on a teacher?
Answer: You secretly hope you get into their class next semester. ...  You get a little light-headed when they walk past you in the hallway. ...  You show up early to class so you can, you know, chat. ...  You start to look for a ring on their finger to see if they're married. ...  You get shy when they give you a compliment on your homework.