Dieting on New Year's Day isn't a good idea as you can't eat rationally but really need to be free to consume whatever is necessary, moment by moment, in order to ease your hangover. I think it would be much more sensible if resolutions began generally on January the second.
“Motivation is the art of getting people to do what you want them to do because they want to do it.”
“It is one of the truisms of politics that a conservative is often enough a former liberal who has been 'mugged by reality.'”