Absence makes the heart grow fonder. It's foolproof.

小别胜新婚嘛 这是不会错的。

Another proverb about love is, " Absence makes the heart grow fonder" .

还有一个与爱有关的谚语是" 久别情更深" 。

Observing that absence makes the heart grow fonder may add some years to the marriage.

意识到距离可以让两颗心靠的更近，这样可以让婚姻更加持久。