Forget the 7 year itch, it's happening in half the time. A study picked up by the Daily Mail shows that 3½ years is when the "honeymoon phase" seems to wear off and couples take each other for granted. No more meals together, different bedtimes, and say goodbye to snuggling together on the couch. But it doesn't have to be like that! How would you keep the spark alive past the 3 year mark?