I don't feel passion for my boyfriend anymore?

Weve been together for about a year and recently I don't want to kiss him, he remarks how little we have sex, and I get annoyed at tiny things that he does for no reason. Some days it's like this and other days I'm in love and perfectly happy. He's my first REAL longterm relationship and lately we are in a dry spot, where our work schedules are compeletely off and Ill get off too late to want to have sex. He's also sort of let himself go and let me see the real him - every time I see him he's in his bathrobe before bed, sometimes forgets to brush his teeth, eats Arbys and completely stopped working out (he was very buff this summer).

I don't want to feel this way and I don't know how to fix it. When he cuddles with me, he clings to me in a weird way that isn't manly, he NEVER really looks me in the eyes and is TRULY serious and passionate with me, so I end up feeling disconnected from him. I still enjoy seeing him, want to tell him everything, miss him, etc, but I'm sick of feeling NO PASSION around him. But I do love him and he loves me very much.

My last relationship was also abusive and intensely passionate/clingy in a romantic way, so a healthy longterm relationship is something that I'm very new to.
I don't feel passion for my boyfriend anymore?
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