One morning my daughter gave her eleven-month-old son her cell phone for a moment to entertain him. Less than a minute later my phone rang, and as I picked it up I heard his little voice. He had somehow hit the “speed dial” to my number, and what followed was a “conversation” I will long remember. My grandson can only say a few words, but he knows my voice and responds to it. So I talked to him and told him how much I love him.

The joy I felt at the sound of my grandson’s voice was a reminder to…