Husband isn’t sexy anymore and only wants it on his terms

My (F20) husband (M21) just isn’t sexy in bed anymore. For context, when I try to “initiate things” he just says “are you horny” and doesn’t engage back.I just don’t know how to feel sexy anymore around him… I try to initiate things and he always turns me down, or when he does go along with it, it’s in the most unsexy way possible. For example, tonight I tried to initiate and his instant response was “you’re getting on top tonight”, with his unbrushed teeth blowing in my face. I haven’t done things in a while, and I don’t feel any please from being on top, so I said I would prefer if he was on top so I could enjoy it, and his reply was “well I don’t feel like being on top either”. I led his hand down my pants and I was just going to get on top, then he pulled his pants up and said no because I don’t want to do it. He said he would still finger me though. It’s just a big mood killer so I just pulled up my pants and left. But yet when he initiates it, he’s much sexier and will actually try…