Life is all about evolution. What looks like a mistake to others has been a milestone in my life. Even if people have betrayed me, even if my heart was broken, even if people misunderstood or judged me, I have learned from these incidents. We are human and we make mistakes, but learning from them is what makes the difference.
Your kids are launched. You love your work but you understand how to place it in the panorama of the rest of your life. There's this line in the book, and when I wrote it I thought yes, that's it - if you think of life as a job, maybe by the time you get to, say, in my case, 60, you've finally gotten good at it.