"No kidding." That's likely in response to Amethyst, but could just as easily be about magic being a pain if Greg were a little bit more rude.

"Well, she's a good person to make pals with, in a place like this. But, hopefully you won't have to stick you neck out for me too much." He rolls a shoulder in a shrug, trying very hard to be casual. "Guess it's time I start taking after my family instead of leaving things to them."