For today’s Dear Mark, I’m answering just a single reader question, but it’s a big one. Janice and her husband have endured their family’s light-hearted ribbing about their “caveman lifestyle” for years. Now that the paterfamilias of the clan is severely obese, almost 80 years old, and recovering from a relatively mild stroke, the family has turned to Janice’s expertise for help changing his ways. How can she convince her father that it’s never too late to get healthy? That changing your diet, exercise, and lifestyle can improve even the most unhealthy person’s trajectory and enjoyment of life? She’s confident that if she can just get through to her dad, the rest of the family—who also needs an intervention—will inevitably follow suit.
Let’s give it a shot: