Ok, let's start of simple
brain sheath and Brian
All these other bro science suggestions
Drink water. Next day, abysmal food choices and self loathing (self loathing can be humorous/philosophically fecund). Masturbation has been mentioned... look at some weird porn. Go out and talk to people. You might be a more selfless and sociable version of ‘yourself.’
...hangovers are the truth.