Idk What To Do Anymore… **LONG**

so my boyfriend and i have been together for 2 years. in the beginning of our relationship we were having sex constantly (not every day but it was still enough for me). in may we took a break for 3 months in which we both were seeing other people. we ended up getting back together in august and since then we literally only have sex 2 or 3 times a month. i had brought this up once already and i told him i feel like he’s cheating because he doesn’t even touch me or anything. not even to go to sleep. then i told him that it also feels like he’s not sexually attracted to me anymore. he reassured me that he is sexually attracted to me but sex 3 times a month is not cutting it at all. he won’t even let me give him head anymore ! just last week we had a huge fight because things resurfaced of him cheating back in august. so i told him that i can’t believe he’s been cheating but that it makes sense because of the lack of sex we’ve been having. he told me that it was old and that we were still fixing our issues when it happened. then I told him that I still feel some type of way about him not wanting to have sex with me or touch me. and so that night we had sex twice but it felt like he was forced. instead of it being fun it felt like he was doing it just to make me happy. not because he actually wanted to. since then we haven’t done anything at all (it’s been a week) this morning before i went to work I asked if he wanted head and he made up every excuse as to why he didn’t want head. it just makes me sad because he never used to turn down head. i get on top of him and try to kiss his neck and he moves and tells me to get off after a while.. idk what to do anymore. i miss being intimate with him like before and hugging and cuddling every night. i miss having sex too ! he’s my boyfriend i want to do stuff with him and have fun like before but idk what changed.