She speaks before fully turning around and noticing who she's talking to; really the only thing she's aware of at first is that A) the voice is coming from a few feet above her and B) that he sounds nice enough...Even if she is embarrassed over the whole mildly unnerved by matches thing.

"Oh...Well, maybe? I guess that actually lighting this is harder than I thought-"

That's as far as she gets before actually looking at who this is. The first thing she takes in is that white color and the hard angular shapes, which is enough to throw her heartbeat out of any calm order it might have been in. The dark shadows only makes that first impression worse, and M'gann is already tensing for a desperate leap into the air...Until she realizes that there isn't any telepathic nudging or hailing going on; her head is still silent.

"S-sorry," she's able to rasp out. "Little...Little jumpy." Though she'd sooner not say WHY.