When I hosted a client dinner honoring my good friends Jules Kroll and his extraordinary wife Lynn, I did not expect to get one of the best bits of life advice I’d ever heard. Jules and Lynn met in college about 65 years ago and raised four wonderful children together. Toward the end of dinner someone asked, “How do you raise good kids?” Lynn, an amazing force of nature, answered swiftly: “You need to raise the children you have—not the ones you would have liked to have.”  I was stunn...