Sam didn't want to be rude. Truth be told, he couldn't really figure out how a witch/angel hybrid could come about or that it'd be anything but fucked up, but so far the guy hasn't rung any of his warning bells (aside from the obvious) and it's not like he has a lot of options.

"If professional curiosity still counts as okay," he says, with a small smile to indicate he's kind of joking but wanting to be more or less honest.