A: It is really easy to give a guy mixed signals when you know that they like you. Leading someone on is partly our job. Also this woman could be thinking that you guys are such good friends that she trusts you won't break the relationship between you two friends
A: What ever you do don't be too intimidating to her. She'll freak out, if you want to "hit a girl up" then you have to be yourself. Be who you are and what you want. Unless idk she turns you down. Theres lots of fish in the sea ;)
A: Either he likes you or he wants you jealous. Jealousy is the key to many things, including using someone to get the other person to like them. Anonymous just think about it. All the sudden liking one of your friends...consider my answer