As a fairly muscular guy who has dealt with overweight for more than two decades, I wholeheartedly agree. Half an hour of weightlifting burns like 120 calories,

As a fairly muscular guy who has dealt with overweight for more than two decades, I wholeheartedly agree. Half an hour of weightlifting burns like 120 calories, about two corn tortillas. It's stupid how efficient the body is at extracting energy from food. I've also accepted that changes in activity strongly influence your health, and changes in eating strongly influence your weight.