[Unlike her hands, the region between her thighs is much warmer, keeping what little heat she does have pooled appropriately. It seems her body reacts the same way as anyone else's to this kind of thing, it simply doesn't have its own warm blood to work with. But his hands are cold, too, so she exhales in a shuddering sigh when he touches slick flesh, her grip around him tightening as she loosens him from his pants.]

Hmm... I'll probably warm up more once I feed, and that should make it easier. [Her lips curve up.] In the meantime, do you want me to...?

[She illustrates the implied ending of her question by stroking him a few times, her thumb rubbing circles into the tip. As long as he's distracted, it's likely he won't even notice when she actually bites -- and perhaps the running hormones will even make it more pleasurable this time.]