[Her fear is immediately apparent, he doesn't even need to flick his tongue out to taste it thick in the air, and while he does want to reassure her, there isn't all that much he can do about it.]

Kind of, yeah. I'll need to have my full focus, don't want to get distracted keeping myself human.

[If she's reacting badly to the serpent, he can't imagine she'd enjoy seeing more of his true form peek through, which it's likely to do in this situation.]

M'not venomous, if that helps.

[Not right now, at least, but she doesn't need to know that.]