Is there a general rule as to how many more calories you intake with exercise? And can someone explain basal metabolism?

Your basal metabolic rate (BMR) is the number of calories your body uses to sustain your essential bodily functions throughout a day and night....like breathing, digesting, moving, etc. The higher your lean body mass (the more muscle you have) the more calories will be required to keep your body maintained because fat is inert, muscle requires constant nourishment.

If you exercise rather intently you may find that your appetite increases. I simply give my body what it asks for but no more.... in other words, I may go through phases (like when I first started BFL) where I was much hungrier than usual for a couple of days, so I ate a couple more portions of protein and fat during the day without overdoing it....no pigging out or anything. I think that's they key.... just what it is asking for but no more. And I would rather err on the side of too little rather than too much. I often find that a reasonable high-protein snack and a BIG glass of water will cure my hunger and satisfy my energy needs.

HTH

I was thinking that was what it probably was, but wanted the opinion of someone out there that had the exact answer. Thanks, you were very hepful.