Catcher in the Rye Chapter 6

Stradlater gets back from his date and starts to argue with Holden over the topic of the paper that he wrote. Holden asks how the date went but Stradlater won't reply so Holden goes to punch him but gets pinned down by Stradlater because he is bigger and then Holden loses the fight. He goes to Ackley's room with a face full of blood.