A third party can create conflict by complaining to her daughter about her son-in-law’s income.

... and then upsetting the son-in-law by misinterpreting something his wife said.

When the conflict erupts, the third party is often unnoticed and unsuspected.

But if the couple knows the Third Party Law, they can recognize such disputes for what they are and locate the true cause of the fight.

With the mother-in-law’s influence handled, any differences can easily be resolved and harmony restored.