"Let's go with Banach-Tarski as your safeword," McKay says almost absently, lips tracing lazily along John's hairline, and John blinks. // "You want to go with a Euclidean geometric paradox for my safeword?" he asks, bemused.

"Most high school kids who got lewd, cryptic notes from their bosses would probably have said bosses sued for sexual harassment. Most high school kids don't have bosses like Jensen."