Two months after the divorce, I was sh0cked to see my ex-wife wandering aimlessly in the hospital. When I learned the truth, I completely collapsed.

The envelope arrived on a Tuesday morning in October, slipped beneath my apartment door while I was still asleep.   My name was written across the front in handwriting I did not recognize. The paper was cream-colored, formal, almost too gentle for what it carried. But the return address made my stomach tighten before I…