Answer:
Jounny was traumatized by being beat up by the socs. As Pony tells Cherry in chapter 2,
His white T-shirt was splattered with blood. I just stood there, trembling with sudden cold. I thought he might be dead; surely nobody could be beaten like that and live.
Johnny was the least violent boy of the gang yet always carried a switchblade with him after the attack.
Explanation:
omg i love the outsiders.i know pretty much everything about it!!