Take off your clothes for bed.

Mark stays in his wifebeater, and takes his slacks off so he's just in his underwear. Trying not to look at his meaty package, you strip your shirt, making sure to arch your back to present your ass to Mark--and then immediately mentally scolding yourself for thinking such casually-obnoxious things.

You take off your pants, and your tight briefs, hugging your ass and bulge, are the only clothing you have on left. That being said, usually at home, you sleep in the nude. But you're not "you" right now. You're DJ. You consider the character and how you play the role to decide...