The story begins

The Mitch Cumsteins: Shorts for the Worst Roommate of All Time

#1: Mitch always tries to double up on my showers in an effort to conserve water.

#2: Mitch rented out my room on Airbnb with me still in it.

I heard him tell a renter I was included if they were "into that".

#3: Mitch designates ownership by licking everything.