MoMo Productions/DigitalVision/Getty ImagesWork, kids, family obligations, running your household, a hobby if you’re lucky enough to have time for one — all of these things take time and energy. It’s enough to have you laid out on the couch, carcass style, at the end of a regular day. When something actually goes wrong, like the kids get sick or a work project keeps you at your desk late, it’s even harder to imagine getting it up at the end of the day. No matter how much you love your spouse, sex droughts come for everyone at some point (ahem, many points) throughout a relationship. If it’s be...