one of my close friends is extremely outgoing, he has a lot of friends and seems to be very well-liked by everyone. a few weeks ago, he invited me to see his friends band, and meet a bunch of his other friends. they were all super nice, and he invited me out for his birthday a few weeks later. the environment wasn’t the kind where you could sit and talk. we went to a bunch of places, lots of loud music so we didn’t talk much. we went out for his birthday yesterday, and I can’t shake the feeling of being in the way, or being a nuisance. his friends haven’t said anything bad to me, and I’ve spoken to them briefly, but in the back of my head I just feel weird and off-putting. i'm really insecure about the way I look, I’m quite tall and goofy and just stick out like a sore thumb. they also all know each other, I’m the only outlier, and I don’t know how to introduce myself properly. i wish I had more friends and found it easier to meet people, but when I’m in an environment where I have that opportunity, I just don’t take it and I have no idea why.