Recently, I've been getting a bit down when out with a group of friends of mine. In the group is my ex girlfriend - We were going out for about a year, and broke up about 2 months ago. It sounds stupid, but recently its been getting me down, and whenever I'm out with them I end up going home early or not enjoying myself much.
It's mostly trivial things - The other night, we went out for a meal. I and three friends arrived on time, but everyone else was late. I was sitting in the middle of the table, not wanting to be isolated at the end, with people I didn't know. When my ex and the others arrived, she asked me to move up, which I agreed to but said "I don't want to sit on the end". Then as more and more people arrived she kept asking me to move up, and I ended up on the end of the table.... and then finally she ended up swapping places with someone, so I was surrounded by strangers. Now I'm not an unsociable person, but I came out that night to talk to my friends, and I ended up having barely any conversation with them.
I think the point is that it seems strange that she doesn't seem to even care for me as a friend anymore, despite only 2 weeks ago being angry at me for spending time with another girl - even though it wasn't in any way in the romantic sense.
I'd really appreciate some advice, especially if someone else has been in the same situation. Thanks.