birthday anxiety

As you may have noticed from my last couple of posts, I've been struggling with social anxiety stuff this week. I think it's at least partly related to my impending birthday. I wanted to do something to celebrate, because I've been feeling so much better this year, compared to the last two years when I was miserable and just wanted to hide and ignore it. Unfortunately, I've realised that the depression might be better, but my anxiety is not, and that's making me feel sad again.
I'm anxious about trying to celebrate my birthday because it feels too demanding to ask people to do something with me. It's in the middle of the week, so people are busy and I live kind of far from my classmates, so it'd be inconvenient for them. Plus, I hardly ever see the classmates I'd like to invite so it seems selfish to ask them to do something now. And I have been spending more time with my housemates instead of hiding in my room, but I don't feel like I'm as good friends with the rest of them as they are with each other and they'd just feel obliged to say yes if I invited them to do something. I guess I feel like using my birthday as an excuse is kind of a guilt trip, because people don't generally respond when I suggest things to do at other times, so if they did say yes this time, it would just be because they felt sorry for me, or something.
My mum called last night and asked what I was going to do, so I'll feel bad if I don't have something to tell her about my actual birthday. My house traditionally makes cake for birthdays, though, so there will be that. My mum also asked if I'd opened my birthday package yet, as if I'd open it on some random day and then have nothing birthday-ish left on the day itself.
My birthday is tomorrow, so presumably it's too late to try to organise anything, anyway. Maybe I'll see if anyone wants to go to the movie we were talking about seeing, though.