What should you expect from an autistic boyfriend?

Hi all,

I'm nearly 22 and I have been dating my boyfriend for over a year now. He got diagnosed with autism only last year, just a couple months into me seeing him. He asked me if it put me off him, and of course it didn't even cross my mind, it did not bother me at all, even though I knew it would be a challenge at times. He has high-functioning autism, which means compared to other forms of autism, he function very well, and sometimes you would not even know until you got to know him. But I have come on this site because although I have managed very well over the past year, I feel like I need some support because sometimes I cannot always distinguish what is his autism or what is his being selfish, etc.

His autism makes him prone to overthinking a lot of things, this happens so frequently and he can get angry or upset about things anyone else wouldn't because its as though he jumps to too many conclusions and always thinks 'what if..'. When he gets like this, he will calm down with a little time, and often I found giving hugs, head rubs, and general attention makes him relax. Does anyone experience this or know how to help?

Sometimes I really really struggle with his lack of empathy. I try to understand but it just really hurts me sometimes that I will practically bend over backwards to make him feel better so often, but I can lay next to him crying and he barely does anything. Sometimes I get to a point where I feel emotionally drained and I cry because he does not give me nearly as much attention as I give to him. It just feels hurtful sometimes, even if he doesn't mean it but I don't know how to say this to him without him getting defensive. How can I cope with this lack of empathy? Do I just have to continually remind myself that he doesn't mean it? I think that's something I am learning, its just difficult. A couple of weeks ago when he was in an extremely stresses state he said that he didn't want to look at me, and although I wanted to cry, I tried to tell myself he didn't mean it (he did later apologise) and I somehow found the strength to ignore it and cuddled him. Is that what I should do? Its not just me, he will do this with his mum as well and he adores us both, so I know deep down he does not mean to.

This seems like a strange question, but I'll ask anyway. Is it common for adults with autism to lose interest in sex or have low sex drives? He does not like sex frequently, and in particular right now. In the first few months of our relationship we did it once maybe twice a month. However, we haven't had sex for over 5 months now, and I do believe other factors are involved, such  as stress, but generally speaking a man his age, should have a healthy sex drive or some interest. It doesn't bother me how often we do it (i'm really a bit of a prude anyway) but him not wanting it makes me feel really bad about myself. if I knew it was a common trait autism, I would feel better rather than blaming myself.

Sorry for the lengthy questions but I'm feeling like a useless girlfriend right now.

Thanks