When you’re successful, well-off, independent, when you fully control your present, it’s better not to look back or think about what used to be with you—about how many mistakes you made, how many people you hurt. After all, you can’t control your past! But what if it reminds you of itself? Reminds you—and your entire life turns upside down, like it happened to the famous psychotherapist Dmitry Korsunsky. One day, he simply found a letter in his mailbox—from his deceased wife.