Retarded question incoming. I've started using a walking pad to walk while at my PC and I noticed that it has a counter for calories lost over the walk. Well sometimes I can get so lost in walking that by the time I finish a session there's like 200 or 300 calories burned, and frankly it's not like it would be too difficult to continue walking. Anyway what I want to ask is, what happens if I like eat 1,500 calories a day and walk enough to burn 1,700 calories? Like healthwise, what comes from t…