"Uh uh," Vanessa mumbled, even if she was a little surprised when she felt his hands under her shirt. Not that they didn't make out on a regular basis or anything, but this was different. This was going somewhere else entirely.
She squirmed a little to help him with the shirt --- figuring she should probably be a little more helpful than just giving him an uh uh response. Then added suddenly, "You're not going to freak out if I turn... blue all of a sudden, are you?"
Since it normally didn't take a lot of concentration to keep an alternate face on, but she didn't know what would happen if she forgot to concentrate completely.