12. Inviting you to groups, trying to sit next to you, copying your behavior.
13. Drunk calling/texting, next day call/text to apologize for the night before because they were drunk.
14. All of a sudden they start want to hang out with you more and subtly touch you more than before i.e hand on knee, elbow jab, poking, etc.
Or when you make random eye contact from across the room and they look away as if it was a crime to stare, only to look at you again later.