My husband is attracted to another woman, what should I do?

It’s more complicated than it sounds. He is not actually cheating. However, his female relative moved in our house recently “temporarily” since her father passed away. Right off the bat I can tell he was attracted to her. She is a very pretty girl and she is very “out there” she wears short clothes etc. Either way, our sex life has been dead. We don’t have sex at all and we are cold. He came home late last night and I was faking being asleep in my bed. He basically hopped on top of me and he started kissing me and trying to get something started so bad and so passionately. I almost could not get the idea out off my mind that he is attracted to her sexually so he wanted to “use me” in replacement of her to fantasize having sex with her. Now this could very well be a stretch but i know him too well. He is definitely attracted to her and I rejected to have sex with him I literally shoved him off me and fought with him and went back to faking my sleep. I am really pissed at this whole situation and I don’t even know how to address the situation since he didn’t do anything yet.
My husband is attracted to another woman, what should I do?
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