You should never throw someone else's property away
James' sister just went away to college, and he wants to move into her room.
James wants to have lots of space in his sister's room.
James moves all of his sister's stuff into their garage.
James throws all of his sister's stuff into the trash, so he can move his own stuff in.
When Jame's sister comes home, she thanks James, sells some of her stuff and takes some to college.
When James' sister comes home from college, she screams at him.