Joseph's parents experience little or no conflict, are satisfied with their lives, and support each other in their parenting. They are demonstrating:

Understanding, love, care & contentment

Explanation:

There little things that makes life easy for couples, and are not really expensive, when they become expensive, it would be difficult to manage or keep up to them. Some of these are understanding, love, care and contentment. Understanding is key for both parties,as this would make them compromise for each other and forgive. Love and care are synonymous because someone who loves you would care for you and vice versa. While contentment focuses on being satisfied with whatever both parties have.

answer: stupidity. they should wait till they can get reward money.