He inhales sharply with the touch to his neck and goes a bit melted against the Doctor. "Ah... careful with that one, find it very... It is relaxing, but also, y'know..." He gets that reined in to consider the question. "Ianto. Obviously don't like him being at risk, but he can handle himself and he'll be very, very eager to get in some shots. And... hrmm..."
Before, the Doctor would've lied through his teeth to protect Rose and then send her away-- and, of course, he did. Look at where that got them all. "Rose deserves the truth."