You should be considerate of other people's belongings.
Kelly is cleaning her dorm room when she sees her roommate's shirt on the floor.
Kelly wants her roommate to learn how to pick up after herself.
Kelly talks to her roommate about being more tidy when she is in the room.
Kelly throws the shirt away because she is tired of picking up after her roommate.
Kelly's roommate starts to pick up after herself and keeps the room clean.
Kelly's roommate takes some of her clothing because she can't find her lost shirt.