[Nathan doesn't seem to even notice her shock. Most people react that way to a lot of shit he says, he thinks this is just how normal people interact.]

Oh, well, now that you've said "trust me," I guess I have to trust you!

Come on, I'm not five, I need a little more reassurance than that! [He stills while he tries to think of a way to make sure that he can trust this girl. And then he figures it out.]

Smoke it.