How do I deal with my jealousy?

[Noobography]

I have went on 3 dates with girl A. Prior to the start of this relationship, her friend, girl B, was interested in me sexually but I had to decline her because I wanted to stick with girl A. Girl A knew about this.

Well we both agreed for a 4th date but then suddenly girl a messages me asking if I'm close to this guy. I said not really. She says that she was talking to him and that he said "I was a good guy".

Interestingly enough, she already watched a different movie that I looked forward to. I didn't ask her to watch it with me (watching it with a bro) but I'm suspecting that she watched it with him.

She seems to like his photographs/statuses when no one else does.

Yup, I'm being paranoid. How do I deal with myself? And how do I get the "exclusivity" status?

[lyriclover]

Just talk to her bro. Communication is key in anything. If she's not willing to talk, then her answer might not be the one you want to hear.

[iamtheoddone]

ummmm....I never be in a relationship before, but I think the feeling you get when she likes another boy's status is not jealousy, it's that you think she's hiding something away from you and you want to know it so much. You need to ask her what is going on, if she's in love with another boy, then break up with her, it's her choice, you can't help it.

[Noobography]

Guys got any ideas how I should open the conversation about this guy? I don't want to sound too suspicious/jealous when I'm talking to her. If she did go on a date with him, what should I say?

[Noobography]

Okay well I talked to her today and it was one of the most boring dates ever (she planned it). I confronted her about the guy and she said she initiated contact with him and started talking to him. She doesn't really "know" him. Then she said she watched a movie with her friend and this other guy.

Basically after that I lost all spark/interest in her. I should have got laid when I had the chance.

EDIT: But thanks for your assistance guys.