I have a 20-pound lifting limitation on my right arm from radiation damage. My right brachial plexus — the nerve bundle that controls the right arm — took a full dose hit last summer.

I take an engineering approach to such limitations. I find myself looking at boxes I need to move and thinking, “If I take out these books, then the box is only 40 pounds, and if I divide that by two arms …”

I do not tell my radiation oncologist about these moments.

I hope he’s not reading my blog today.