We started walking back quickly, marvelling at how fast the water had advanced. Actually, 'marvelling' probably isn't the right word. We weren't worried that we would have to swim for it - if I really thought we'd wouldn't make it, I'd have retreated to the island and waited for low tide. Granted, the earful that Herself would have given me might have tempted me to swim for it. Still, as the cahannel narrowed, we began to trot...