When you're lying there the cot waiting for them to finish setting up, they give you a little sheet with a number to call in case you need to tell them not to use your blood donation, like if you're coming down with a cold or some other health thing comes up.
The thing is, they always tend to put this sheet of paper on you. I guess they just don't want people, in their potentially slightly woozy state, to forget about it, but it does tend to make one feel a bit like a piece of furniture... "don't mind me, I was just going to be lying here for ten or fifteen minutes anyway."
Creepy Robot of the Moment --this creeps Mr. Ibis the hell out. It really does look like the bottom half of two humans, and the cadaver-suggesting buzzing fly noise doesn't help...