Please help!

Hey ladies. So, my man and I have been together for 5.5 years. I love him so much my heart could just burst. I’m 22 and he’s 24, so we are young. We have never really had a problem with intimacy or being attracted to one another. Probably in the past year we have just really lost our fire and intimacy. If we kiss it’s because one of us walked in the door/leaving or going to bed. We maybe have sex 2 times a month.. every now and then maybe 3 times a month. The only sexual thing he ever does do is try to mess with my butt when I’m trying to get ready or something. I can walk in from a shower and literally get dressed from being butt naked right in front of him and him never even say anything or acknowledge me. If I try to seduce him in bed at night he basically tells me “quit” in a playful voice or just moves my hands. He has gotten very out of shape, he’s a little heavy for his height, which doesn’t really bother me because he was already kind of thick when we got together. But it’s starting to affect our sex life for sure. He just shows no interest. I struggle with anxiety and have recently had a very hard and about 3 week long spell. I lost 20 lbs, my hair is falling out so bad. I was smaller than what I am now when we started dating, so I know it’s not my weight. My face has never been so broke out before in my life. I feel so ugly. I’ve tried talking to him about it and he said it’s not me, he is attracted to me. What the heck..