Guys, I love my boyfriend but I wish he was more affectionate. How else do I address this?

My boyfriend is a decent boyfriend. He’s def not the type who expresses anything though.. he never says anything that makes me feel special or loved. I’ve told him this before and he got upset because he has CPTSD and telling him that I wish he would be more affectionate by cuddling me more (or just expressing his love in any form of affection) apparently triggered his emotions because me saying that made him feel sad and then he said he can’t help it? I had to apologize just for bringing that up because he just seemed so hurt and distant by me expressing that which makes no sense to me because if your girlfriend is telling you something like that then I don’t see the issue in making the effort to try and make her feel more loved in those ways that she tells me she wants to be loved. Last night he asked me if we could switch spots on the bed cuz I was in the spot he likes to sleep in (although the spot he likes to sleep in isn’t the spot he likes to relax in) so he asked to switch and all I said was “if we switch will you cuddle me?” and he just literally didn’t say anything at all then pretty much repositioned himself where he was & passed out. It made me sad because what’s so hard about doing that? It’s upsetting because I’m always the one comforting him by massaging his back or his feet or rubbing my hand on his shoulder in a nurturing fashion. I express the love that I wish to have by the love that I give but he just never seems to mimic that. I know that everyone loves differently and I can’t expect him to be any certain way but holy fuck man, we’ve been together for over a year now and I just don’t understand why he doesn’t think enough to comfort but if I tell him it feels like he doesn’t care because of his lack of affection he just gets upset? I don’t know how to make myself any clearer.
Guys, I love my boyfriend but I wish he was more affectionate. How else do I address this?
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