You shouldn't get so angry at people.
Dave is walking through the mall with his wife Wendy when he's bumped into accidentally by Bill.
Dave wants to react to Bill bumping into him.
Dave tells Bill to please be more careful and watch where he's going next time.
Dave screams at Bill to get his attention then threatens to beat up Bill  in a fit of rage.
Bill is apologetic and realizes he might have hurt Dave when he bumped into him and is happy Dave isn't angry.
Wendy is shocked that her husband is being so violent and out of control and even fears for her own safety.