He doesn't know how he expects Rey to react to that news. It could go any of several different way, all of them bad in some aspect or another. She seems to have landed on one that's especially rough on her own body.

For a moment, he just watches, letting her be as his words start to sink in. But soon enough, he reaches for her, laying a hand on her shoulder. It's a stabilizing and comforting touch, he hopes.