”Oh thank god that’s done.” I throw down my pencil and march up to hand in the last part of the exam. My tailbone hurts from sitting on a wooden chair all day. I shouldn’t say all day, because I spent at least as much time in the bathroom as I did taking the test.

I smile at the proctor and gather up my things. I fire off a text to Walt, grinning. Only took eight hours and 24 million bathroom breaks, but I finished that fucker. And then I panic a ...