By Bailey Gaddis Raise your hand if your romantic relationship has lost its mojo. Give them to your relationship and watch it grow. Just how often do you two need this nourishment? Consider this: Married couples who engage in one-on-one time together at least once a week are 3. But it looks like most of us aren't even coming close to that goal. A recent study of 2, families found a majority of parents 81 percent say they haven't had a date night in three years, and three in 10 couldn't remember the last romantic date they went on.