"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.

The hammock was something he'd done more or less on a whim, liking the idea of it more than really expecting to use it. It's not like Rodney is much of an escape-for-a-nap in the middle of the day kind of guy, let alone a sleep-outside-with-the-bugs-and-risk-the-likelihood-of-slowly-developing-skin-cancer kind of guy.