Real Life Drama :/

So since I've just started middle school, the drama has already started. I need some advice. Here are a few problems I've been having:

1) My former best friend's Madi and Angie, now all of a sudden hate me. I dont know why, since everyone I ask either wont tell me or dont know. But I know that it started soon after this:

I told Madi I dont believe in God. They rest of the days she went on about "Why dont you believe in Him?" and "My mom probably wont let me hang out with you anymore if she finds out..." Knowing her, she told Angie, too.

I told her who my crush is, and roumer says that Madi likes him too. I think maybe she's mad at me for liking him.

People joke around about things I'm going to do when I'm older. Bad things, if you know what I mean. Maybe they both believe I'll actually do them, and therefore avoid me.

2) I really like this guy who I've know for a few years, and we've never really gotten along. We kind of have that love-hate relationship that most elementary boys and girls would have with each other. But now all of a sudden I really like him, but I'm pretty sure he hates me. And now I've heard that he likes this other girl, who one of his best friends, Nick, are dating. My other friend, Aubrianna really likes Nick, so if Nick dumps his gf, Mya, then I wont get my crush but if Nick stays with Mya then I might get the guy I like but Aubrianna wont get Nick... what should we do?