It's wrong to throw out other people's stuff.
Lisa lives in an apartment with her roommate Beverly.
Lisa wants to clean the apartment.
Lisa gathers the personal papers Beverly has left in the living room and puts them in Beverly's room.
Lisa gathers the personal papers Beverly has left in the living room and puts them in the dumpster.
Lisa has a clean apartment and Beverly appreciates Lisa tidying up.
Beverly is upset at Lisa and moves out, leaving Lisa with no roommate.