About a year after Shawn died, I had a short but passionate relationship with a man I’ll call Derek. It ended badly. I didn’t want to admit to most of my friends that the breakup hit me really hard. I told them that I wasn’t sure why I was down, but that I seemed to be experiencing new grief. Really, the original misery over losing Shawn had never gone away. But my relationship with Derek had tamped that grief down, had made it smooth around the edges, encapsulated in a vessel that I could hold and manage. Somehow, our breakup had broken that vessel and the grief spilled out everywhere.…