Mark: ...What's the point of this?

Ethan: Come on baby, you look sexy!

Mark: -groan- ...Just make it quick.

So it looks like Ethan's using his big bear boyfriend as a model to practice drawing. Mark is definitely willing, but sometimes Ethan has odd requests. And Mark just doesn't quite get it.

Psst. It's the pecs dude!... He loves seeing your pecks accented! ... Plus a little peak at downstairs never hurt anyone~