1) Be an aggressive drunk 19 year old
2) Claim you have a gun.
3) Beatup a 13 and a 15 year old.
4) Demand money (just a joke, sure!)
5) Attack
Mom says:
"Why wasn't this fight just a fist fight?" she asked. "What gave this kid a right to pull a knife and to stab?"
Because your animal of a son should have been put down like a rabid dog.