Oh yeah I'm fine. If I had my powers I could give more than a pair of pints. I'll give as much as I can. Literally. Pop some iron, get a good night sleep and give more if that's what it takes.
Tell him there are to many of us that don't have our powers for him to be stubborn. It would be just in the trains mind to do something to fuck us all. If he's got all his... there's no reason to handicap himself.