What do I go now or what am I supposed to think?

Dump him.

Complicated situation... So what I can grab from this situation, he had plans with you but obviously ended up going out with the guys. I would say he's trying to include you (didn't do a very good job) with the girlfriends instead of the plans you originally had made so you would still have a good night out and possibly make friends with Teresa (could be important to him? who is she?)

Unfortunately his idea was poorly planned and you never met up with Teresa at antro. Now he's avoiding you, my advice would be to get in touch with him (in person is always best) and firstly let him know you're not mad and you're just trying to understand what happened to the original plans, you were looking forward to them. Give him a reason not to ever avoid you by being approachable in all situations.

I think you know what to do but don't want to admit it. He is not all that in to you, if at all. Whatever it was, he was either after getting some attention, or sent the wrong signals to you. Now though, it is clear that he is not interested at all.

As bad as it may sound, that's common in most relationships. Guys want a 'guys' night out, girls want a 'girls' night out. Often most couples have the urge to hang out with their friends and give some free space to their loved ones. Don't worry, this doesn't mean he forgot about you, chances are he just wanted a night to hang with the guys. Although if this happens in a straight pattern then you could be a little worried.

There are a few reasons to be mad. He planned to spend time with you beforehand, he didn't call you like he said he would, and he didn't answer when you called. Give him the benefit of the doubt, trust him until proven guilty. Be calm about it and confront him.

Talk to him about it seriously. You don't want to blow up over this and start flipping out because he might think your too attached. Always think positive, if this only happened once or twice then you have nothing to be worried about. Nothing a little talk about this between the two of you can't fix.

Tell him that sometimes he needs time with just the guys and you need time alone w/your friends and you can understand that. But tell him that YOU FEEL STOOD UP, and you can't stop thinking about it. The same exact thing happened to me this is what happened. I didn't talk to him for like 3 days and when I talked to him I told him that he stood me up and that I can't be in a relationship w/ someone who does that and he's never done it again. But really-just dump him-life's too short to be with someone who leaves you hanging.

I know I may be young and oh idk anything well I do and yeah every one wants to party but I believe if your in a relationship then that's what your obligated to do is to please the other person and yeah he can chill wit his buds but I think couple should go to clubs together or not go because shit happens if you have a gf/bf and would you really want them dance all over other boys/girls.