BullNBear and Susie were waiting at the hospital donation center. BullNBear: "What are you doing here today?" Susie: "Oh, I'm here to donate some blood. They're going to give me $5 for it." BullNBear: "Hmm, that's interesting. I'm here to donate sperm, myself. But they pay me $25." Susie looked thoughtful for a moment and they chatted some more before going their separate ways. A couple months later, BullNBear & Susie meet again in the donation center. BullNBear: "Oh, hi there! Here to donate blood again?" Susie: [shaking her head with mouth closed] "Unh unh."