I don't see why I would mind. It might be handy information to have.

[Like if they need it. If Gods go bad or rogue and trouble starts. Dean's pretty sure he always finds himself in the middle of trouble and saving people. It wouldn't be his life without these things. He doubts this place is much different.]

You swing by whenever you're ready and we'll test it. I'll show you some the basics and what they do.