If you go to a kindergarten or first grade classroom, you will see boys crying, holding hands, hugging each other, and expressing love and joy openly. Unfortunately, these behaviors are rare among older boys and grown men these days.

The “fact” that most men do not express their emotions is known to all of us in our Western society. If you ask a man why he doesn’t express his emotions openly, you’ll like receive some version of these very common responses:...