It starts out rather tame when couples first move in together. The place is kept tidy, bathroom time is private, and everyone stays on their best behavior. However, things escalate quickly behind closed doors.
Performing regular B.O. and breath checks to make sure you both smell fresh
Hanging out naked, preferably not while cooking
They stop hiding farts and burps. Instead, they give props for the really big ones.
Sharing food even though one of you doesn’t really want to
Offering each other trustworthy fashion advice