Sex drive way down below the ground

Sooo lately I’ve had no want or need for sex. Last night I did up until we started having sex. I got soooo uncomfortable for no reason. I was sweating and felt like a fat fuck. I feel so fat and unattractive and my husband kinda got upset that I was so uncomfortable. In no way is it his fault but I wouldn’t even take my shirt off. Anything you ladies think will help boost my drive back up or make me feel better about myself again? (I’ve been working out eating way less and trying to was as healthy as I can.) I want my sex drive back!!! ):