George Blair-West stresses three things: have more premarital sex and get married when you are older, seek equal power in the relationship, and keep caring for one another, which includes continuous forgiveness of your wrongs.
Getting married later allows the other two preventers of divorce to take play. The second reason is because the human brain grows until at least the age 25. Finally, your younger personality will not correlate with your older personality.
The relationships that are most stable and happy over longer term are when the couple shares equally power. They were also influenceable. Data revealed that women were particularly influenceable. Men who were influenceable tended to be outstanding fathers.