Earlier this summer, I made a three-day sojourn to northwest Tennessee’s Reelfoot Lake, an earthquake-born, cypress-studded natural waterway that hugs the Mississippi River. For bluegill, Billy is a cricket-under-a-bobber man. Alan, Billy and I have been fishing together since we all had dark hair. “Drew and Michael seemed surprised that you’re so old,” Alan, who sometimes confesses to being “semi-retired,” said with a smile. “We’re aging outdoors.