By Karen Rose for TheNest.comSaying "I Do" can be a libido booster, so he might want even more sex now.You've stopped obsessing about how you look, so you're enjoying sex more than ever!It's easy to get lazy about taking your birth control-that surprise pregnancy is less of a big deal now.You'll do things that you never thought you'd do (hello, sex toys!) to keep things exciting.Quickies are the new norm, and you love 'em.How many calories does sex burn?You have random romps that are so hot it's like the first time all over again (only better). ...