I had enjoyed Dinner at the home of my wife’s parents, but this time as we were leaving something bizarre happened. We were saying our goodbyes in the hallway when my mother-in-law, I’ll call her “M” for “Mean,” suddenly reached out and pinched me – hard — on my stomach. I was too shocked to respond.

A few weeks later, after our next dinner at “M’s” house, she did the same thing, so I talked to my wife Susan about it on our way home.

“When we were leaving your mother pinched me. Hard. This is...