For years I suffered from daily nosebleeds. They happened so often, the teacher barely looked up anymore except to hand me a wad of toilet paper: best not to be a distraction to the lesson, best not to stain clean writing paper with splotches of red. As instructed, I went to sit quietly in one corner of the principal's office, where someone patted my hand kindly, or reminded me to tip my head up and apply pressure on the side of my nostril. Half an hour of counting the ceiling tiles, of guessing who might be passing through the corridor by the shadow they cast on glass jalousie blinds. And the taste— mineral oxides that poured down the back of my throat until they pooled. If you don't learn the color and taste of your own blood, you might not learn anything either about the nail on your little finger, the inside of your elbow, what you turn to when you close your eyes.