[And bolting is pretty much the exact opposite of what Nick wants to happen, so he's going to try and explain things carefully. It's something of a new opportunity, actually, normally he has to counter what everyone thinks about him.]

A Grimm is someone who can tell if someone's not human, even if they're hiding, or look completely human at the time. In my case it means I stop the ones that want to hurt people, protect the ones that don't, and try to help the ones that don't want to hurt people keep their abilities in control.