Dieter's Distress

This is a real distress call. Every night as I go to bed, I find myself making resolute avowals to go on a diet from the moment I wake up.
Its the same story every night.... So you can imagine my distress.
So, I keep wondering if I'm the only one in the world with such sub zero levels of will power.
What's the deal with dieting? How do I get on one and then stay there...at least until I lose...well...like a lot of weight....!!!!