At first, he isn't certain what's going through her head. It seems like a rather odd time to grasp his hand for reassurance- When she mentions using his free hand, however, it clicks. She needs something to channel her healing energy. She needs him.

And he won't let her down this time. Not ever again, if he can help it.

Wordlessly, he places his palm against where he'd just removed the shrapnel. The feeling of warm blood against his fingers makes him frown; he certainly hopes this works. He can feel the flow of something unnatural through him, the buzz of unfamiliar energy. "Is it working?" he asks after a moment, glancing up to maybe catch her face if she looks back.