Hah. Having somebody's tooth does have a way of getting their attention.

[Not that he's talking from experience or anything.]

That guy isn't around anymore. Don't go trusting everybody that easy, though. Some of the most rotten bastards on the planet get away with it by looking nice on the outside.

[His voice darkens at the end there. After a second, he shakes it off and keeps going.]

You take care of the nice ones by keeping them safe from the nasty ones. Like they say, the best defense is a good offense.