"Don't worry Leon, you can always make some more blood." I heard Luke say it in passing, consoling his friend, as I was on my way to somewhere else. Not having heard what came before or after, it struck me as both hilarious and intriguing. I couldn't help but try to bring it up again. When next Luke and I met on the playground, I said, "You can always make some more blood." "It's true, Teacher Tom! Your heart pumps and makes more blood. That's why you don't run out when you bleed." Luke…
