Napoleon Hill, America’s most beloved motivational author, devoted 25 years to finding out how the wealthy became that way. After interviewing over 500 of the most affluent men and women of his time, he uncovered the secret to great wealth based on the notion that if we can learn to think like the rich, we can start to behave like them.

When the abuse starts, that’s when you know enough is enough. It’s time to find a haven somewhere else. There will be a chance down the road to assess where your marriage is headed in the long term. No one is saying divorce is the inevitable outcome. God can transform anyone.

There is no simple set of instructions that can guarantee sanity. But if you want to overcome emotional difficulties and become happier, psychotherapist Philippa Perry argues that there are four cornerstones to sanity you can influence to bring about change.