It’s unlikely you’re ever going to meet anyone quite like my wife. For one thing, Susie is a two-time brain cancer survivor. That alone makes her amazing. But she’s also still alive — more than 20 years after her initial diagnosis. That makes her unique.

We were so worried when Susie’s tumor was first discovered. Our kids were both really little back then: just 3 years and 2 months old. Susie feared, if she died, they wouldn’t...