If you took less than a pint, I should recover quickly. Normally male whole blood donors need to wait a minimum of twelve weeks to replenish all red blood cells. Females take longer.

[He looks up at Natsuno, serious despite the pleasant lassitude weighing him down.]

We don't have the luxury of twelve weeks, though. And I'm assuming you don't trust all of the people here to act as donors, at least the ones who actually have human blood. So I'll hold on as long as I can, and the Foundation should be able to help me once we escape.