Between 1995 and 2009, I was diagnosed with four different types of cancer. The first diagnosis didn’t really bother me. The second one hit me like a ton of bricks. The third one made me angry. And the fourth one was overwhelming.

For a long time, I wondered what was wrong with me that this kept happening. And I still haven’t found a satisfying explanation. But I’m kind of shocked by how comfortable I feel discussing it now. So...