Ice cream is even better because it melts... if you are eating it over a period of 30 minutes, you've only had half of it because most of it melted and dripped

Ice cream is even better because it melts... if you are eating it over a period of 30 minutes, you've only had half of it because most of it melted and dripped onto the ground/your hand! If you eat ice cream really fast and then jog, you will probably get a cramp. But you might puke instead, which would make ice cream come out ahead again. --- But seriously, this is a bad comparison. Eating the same amount of ice cream over 5 minutes or 30 minutes will have the same amount of calories. The difference is that eating more slowly causes you to feel full at a lower amount of food eaten, which will keep you (typically) from consuming as many calories. It is just as useful to eat a set amount (in five minutes) that is 10% less than what you would have eaten. I think the technical term for this phenomena is the 'inverse Japanese hot-dog guy effect'.