I've been having funny feelings the last few months. I have trouble sleeping quite a few times, I get really angry over things that happened in my past when I'm alone and I have been having weird thoughts about my future as well. I always feel that there is nothing worth living for in the future. I've thought about suicide but never been driven towards it. Though the temptation is getting worse.

When I'm with people I don't think as much, but when I'm alone I think a lot. And I spend a lot of time alone cause I don't feel like people like having me around. In college, my classmates let me hang round with them, but they have completely different interests to me, and I feel like a fly on the wall to them. Not sure if this is just my ASD or not, cause it affects my social skills. But it doesn't explain why I have more and more thoughts of suicide over time, because whenever I think about my future, I think there is less to live for.
There is a friend I've talked to about my doubts about the future, but not the suicidal thoughts. I'm too scared to go to anyone, cause it just sounds like I'm pessimistic, or just a fear of growing up. But It feels like worse. I can't remember the last time I had positive thoughts.
I just don't know what is happening really.

These thoughts are getting worse, and I don't weather or not I'm starting depression or not. I'm scared to go to my parents or anyone else. Does anyone else have these feelings? Please?