"I feel awful," Charles admits to Hank's question, trying to curl closer to Erik, wanting to sleep more, but Hank won't let him.

"Tell me when you can't feel my hand any more," Hank's telling him, placing one blue hand at his side and slowly moving it down over his hip, towards his thigh.

"There," Charles says, as Hank's hand moves just below his hip, where sensation always leaves him. But then he frowns, fights desperately to sit up and look at what Hank is doing. "I can still... just. Only just. I can feel."