It's not okay to throw someone's things outside.
Ben keeps putting his dirty clothes into Louis' hamper and Louis is tired of it.
Louis wants to keep Ben's clothes separate from his.
Louis buys Ben his own hamper and tells Ben to use that instead.
Louis decides to throw out Ben's clothes that were in his hamper into the lawn.
Ben pays back Louis for the hamper and starts putting his dirty clothes in his own hamper.
Ben gets mad at Louis for throwing his clothes outside, and Louis shouts back that Ben should wash his own clothes.