He closes his eyes again. "Yeah. Fine..."

(See the short story The Borders of Infinity by Lois McMaster Bujold, if you haven't already.)

By the end of this long recital, Miles is shivering, unsteady and exhausted. If he'd been sitting up in the first place, he'd feel like he was about to fall over.

"Sorry... didn't realize it would hit me like that. I thought I must be over it by now."