Relationships

Ecc 4: 9-12 - ⁹ Two are better than one, in that their cooperative efforts yield this advantage: ¹⁰ if one of them falls, the other will help his partner up — woe to him who is alone when he falls and has no one to help him up. ¹¹ Again, if two people sleep together, they keep each other warm; but how can one person be warm by himself? ¹² Moreover, an attacker may defeat someone who is alone, but two can resist him; and a three-stranded cord is not easily broken. (Complete Jewish Bible)

The only (and best) "3rd party" you should have in your marriage is God...