_{[The back of her neck prickles hearing that laugh, but doesn't do anything to deter her from approaching. ..really, it's just more motivation that she ought to butt in.]}

Woo, okay, you waited up, awesome! Just stick there a couple more seconds! C'mon, talk to me, alright?

...and I'm not counting laughing as words.

_{[She knows this guy, mostly just through snarky chatter - all they really had on each other was words, from banter - so that's what she latches onto.]}