They do it often in the show...It's like an ongoing struggle to grow up, have his own place and be a "Manager" or stay at the frat house and have your best buds around to bust your balls.
I pick the latter is the $$ is flowing in and life is good, but that's just me.
She was a hottie Al...but you don't need a morning chic...you just gotta be ninja enough not to wake them