Isaac and Abraham having similar temperaments is a proof that temperaments are genetic traits of behavior that are passed down from grandparents and parents to their offspring. While Isaac and Rebecca’s long story shows that indeed opposites do attract.
Knowing the temperament of our spouse should therefore help us to be more bearing, patient, and prayerful for them, knowing fully that they might not be deliberate in their shortcoming. However, God’s golden intention for us in marriage is to give us partners who are suitable for us and not necessarily the same as us.