As my two sons were climbing into the back seat of our car, Eric, five, yelled, “I call the left side!” That didn’t sit well with Ron, four. “No, I want the left side!” “I want the left side!” “No, I want the left side!” Intervening, I said, “Since Eric is older, he can have the left side.” “Thanks, Dad!” said Eric. “Which side is left?” —Josh Weston

As my two sons were climbing into the back seat of our car, Eric, five, yelled, “I call the left side!” That didn’t sit well with Ron, four. “No, I…