I Think Karma Screwed Up

This morning I went and donated platelets and red blood cells, as I often do. Since my blood pressure was rather lowish, they cranked the recliner back a couple of notches.

Could this be the reason why, this afternoon when I was putting water in the dog's dish, I felt something go *pop* in my back?

Am now lying on an ice pad, listening to the Nice Troop Leader holding court in the cookie cupboard in my absence, because I'm lying on an ice pad. In the words of Sarcasm Girl when she was a very small child, trying out profanity, "Fut." Also, Ow.