Looking for a song with a very specific message (details in comments)

I am writing a short story and I would like a song to go with it. The general plot is a guy (lets say person a) is best friends with someone who he presumes is straight (lets say person b) (the best friends are both boys). A and B live together and A is hardcore pining and crushing on B. One night B confesses his feelings to A but A is skeptical because when B is sober he doesn't act super interested. Another time when B is drunk they start making out. A feels guilty because when B is sober he doesn't act like he does when he is drunk and pretends that what happens when he is drunk never happened at all.

the first song that came to mind was "why do you only ever call me when you are high" but that is super close to the right vibe but not what I am looking for.

thanks so much for your help!