When life gets busy, one of the first things to go in a relationship is sex. Couples are too tired, too full, too stressed, too distracted. Simply put: not in the mood.

We get it -- there are a million and one legitimate reasons not to have sex tonight, tomorrow or the day after that. But there are plenty of couples out there who are doing the deed five, six, seven or more times a week. We recently asked married HuffPost readers who have sex every night (barring things like sickness, business trips or other extenuating circumstances, of course) how it has improved their lives and relationships. Below are 13 good reasons to get it on with your spouse on a near daily basis.