No sex drive

I seriously need to feel emotionally and physically 100 percent there or it ain't happening, but my sex drive when I'm stressed disappears. My partner, from not getting any, starts to initiate a lot. We talk and he knows he is loved and I find him the sexiest man in the world, but the advances stress me out even more and make me feel like that's all he wants. Furthest thing from the truth, it's just been a month and he's sometimes a stereotypical man. Any advice? The whole fake it till you make it won't work because I physically can't do that.