So you're eating breakfast and starting the energy "boiler" on a fast burn every morning. The boiler needs regular stoking to keep burning at this pace, with stimulation from regular exercise alongside regular food and fluid intake to keep the fires burning. In the old days when men worked the land they might eat up to four times a day without getting fat because they were constantly exercising in daily life, walking to work, hefting loads and digging etc. These days we have to trick our sedentary bodies into running at a higher metabolic rate by eating smaller portions, more often, while catching exercise where we can. So have smaller meals and healthy snacks imbetween with fluids, while increaseing exercise. A days food/fluid intake might look like this: 0730 get up drink 1 pint cold water 0745 eat small bowl of low sugar muesli and drink black coffee or tea 0800 cycle to work 1100 eat a banana and drink more water 1300 eat a sandwich and drink pint o...