When we focus on how we can be better molded into the image of Christ by the Spirit of God, and less on how we feel those around us need molding, we find contentment.
Our joy is often robbed by dwelling on the perceived deficits in others. That time would be better used, and more profitable, by working on our own deficits.
"Cast out first the beam out of your own eye, and then shall you see clearly to pull out the mote that is in your brother's eye." Luke 6:24.
In marriage, it is not so much about finding the right person, as it is about becoming the right person for your spouse.