In fact, those Friday and Saturday nights were false points of pride for myself, because I felt I was somehow morally superior for exercising rather than having fun.
An overly-simplistic relationship between calories in and calories out doesn't cut and the scientific realities of weight loss are not that hard to understand so, learn a better way.
Stay healthy and educated in your pursuit of happiness and know that leanness and our societal constructs that drive our desires are not always the healthiest option for your body.
This study may lead to more research on how the skin is an integral player in metabolic responses and control which could help create new ways of dealing with aging through diet.