I can't cum when I'm drunk. Lose all sensitivity. Normal? Don't know.
YMMV, I think it's like this for a lot of people even women.
Also different alcohols can effect people differently, for example if I get drunk on whiskey it's like a stimulant and I can get hard but I can't ejaculate.
Beer relaxes me and wines both grape and Saki can make me sleepy.
I've jacked off while drunk on vodka and let's just say it was
a lot easier to masturbate and ejaculate while on opiates than when drunk.