I'm not saying that we shouldn't make our resolutions. It makes a difference when we take the simple step of writing out our goals--but start with today.
"I just want to drop about ten pounds before the wedding."
"My class reunion is coming up next year and I need to be more in shape before then."
"My ex-girlfriend invited me for a drink next Friday, I need to get my crap together before then...
Give it a try. Get a simple journal. Write everyday consistently everyday for around ten minutes. Do it for a month, at least. Let me know what happens.