What happens on vacation stays on vacation... until you go on vacation again. Last fall, my husband and I hooked up with our best friends while we were on vacation... and it was all kinds of hot. Since then, things have returned to normal-except for those times I find myself thinking about Bex in a more-than-friends manner, or when Alec brings up Rafe in bed. So when they invite us on vacation again, Alec and I are...