[train.]

I had a very agressive doberman once. I had him neutered because I was told it would make him less aggressive. A few days later we happened to be outside when the mailman came into our yard. Rex bolted from the side yard into the front yard, were the mailman was, and attacked him. I was flabergasted and explained to the mailman that I was a little taken aback as Rex had just been neutered and he shouldn't have done that. The mailman said he could tell when Rex came around the corner of the house that he didn't wanna [censored].