'Majors, at 69, and a real-life grandpa, plays the role like it's second nature to him. Like the loveable Grandpa Max, the still robust Majors dotes on his grandchildren, aged six and nine. The fishing trips and other places he takes them to spell fun, fun, fun. He spoils them, Majors admits. But that's what grandparents are for, he explains, a naughty smile on his face.'