So _why_ is it good to burn more calories? This is one of those 'facts' that are never questioned. Why not just run your body at lower calories per day? I do no

So _why_ is it good to burn more calories? This is one of those 'facts' that are never questioned. Why not just run your body at lower calories per day? I do not have a weight problem and I feel fine. I guess I just do not eat more then I need. Does not higher caloric throughput just wear out your body?