You wonder where they learn it. School, club sports, television, movies, bad Dutch books, gangs, the intarweb, social workers... you try to keep them safe from the bad things, and then you realize that the danger that lurks in the home is the one you missed. Metal hands.

        \W/ 0.o \W/

The next thing you know, he is going to be listening to weird music and getting a different haircut.

This is nurture gone bad, veeery baaaad...