"You know, I eat, I ate pretty well anyway so, I'm basically living the same, I just curtailed the stupidity"

John Newcombe is referring to his lifestyle throughout the pandemic. He is stating that he has not altered his diet plan much, but he has actually cut out the "stupidity" from his life. This could indicate that he has actually stopped doing activities that are not needed or that are not advantageous to his health. He is suggesting that he has actually been living a much healthier lifestyle by eliminating the "stupidity" from his life. This might consist of activities such as heading out to eat, going to the motion pictures, or going to celebrations. By cutting out these activities, he is able to focus on his health and wellbeing. He is likewise suggesting that he has actually been eating healthier, which is helpful to his total health. By eliminating the "stupidity" from his life, John Newcombe is able to focus on his health and health and wellbeing, which is a favorable thing.