So that when he's thinking of his steamy interlude with Snowball from earlier tonight, he has something to work with while he's workin' it... without getting nauseated.
HITTING BOTTOM ISN'T A WEEKEND RETREAT! IT'S NOT A SEMINAR! ONLY AFTER YOU'VE LOST EVERYTHING ARE YOU FREE TO DO ANYTHING! YOU SEE, YOU LISTEN, BUT YOU DON'T GET IT! YOU HAVE TO FORGET EVERYTHING YOU KNOW, EVERYTHING YOU THINK YOU KNOW!