It's wrong to throw trash in someone else's room.
Alyssa lives with a roommate Caroline who is very messy and leaves trash everywhere.
Alyssa wants Caroline to clean up after herself.
Alyssa asks Caroline to set some ground rules for their roommate arrangement including picking up after oneself in common areas.
Alyssa gathers up all of Caroline's trash from around the apartment and dumps it in Caroline's room on her bed.
Alyssa and Caroline are able to make a mutual agreement to keep common spaces tidy.
Caroline gets mad at Alyssa for being passive aggressive and their living environment becomes tense.