Because it is actually cheaper to eat healthy. Eating unhealthy not only costs more on food, but you will eventually need to visit the doctor more and doctor visits are neither free nor cheap. Eating healthy influences your whole life. Your family will follow your lead and create healthy habits for the whole family and hopefully their children too. You'll have more energy and protein needed to train to your full potential. Eating unhealthy junk food will not make your body happy, you may be happy in the moment, but after a while when your body is not happy, neither will you. I think people should be aware of their healthcare decisions because they have both short and long term effects. The most altruistic thing in the world would be to take care not only of your diet, but also to influence the diet of your family and friends. Everyone may not listen, but one is better than