Tenacity—the willingness and fortitude to stay with a task until it is completed—is both a blessing and a curse of the fisherman.  I suppose that’s why we keep going back again and again, whether it’s trolling all day offshore in hopes of connecting up with a dolphin, tuna or sailfish, or why we spend hour after countless hour casting lures for trout, snook and redfish. When do you just call it quits and go home? As I get older I find that, while I still have the willingness to stay on the water until I catch something, I don’t have as much fortitude as I once did. ...