) and was thinking about what it takes for your body to regenerate that lost pint... so I googled it
and according to the Mayo Clinic website, you burn 650 calories with each donation! So, at first I was unhappy that they told me not to workout tonight... but feeling much better now!!!It's a win-win situation!!! Go donate!!
http://www.mayoclinic.org/donateblood/know.html

... so, how much does giving blood hurt?
Because I dont' mind waxing. Anyway, I think it's just the idea of the needle that gets to me, but I'll suck it up and go ^_-