You're goal of losing xxx pounds is right. What is lacking is your detailed plan on how to go about it.
You are still in the conceptualization stage where you have identified the goal of losing xxx pounds. The next step is to create a plan where you identify the approach and steps on how to go about it. You should identify a checkpoint meter for your plan and see if you are able to meet these goals.
Anyways, I have written about the
project management lifecycle which is about managing projects but I definitely use them for my own projects like weight loss, buying a new set of computers, house renovation, etc. It's a bit technical (as in the excerpt) but somehow you can relate it to yourself which is something I do and accomplish all the time. The key is to be able to have a measureable set of metrics to prove that you can attain your goals and check it from there. You need not write it everyday or have a daily checkpoint as it is a waste of time unless you suffer from a "short memory loss" syndrome.
In an excerpt:
What is project management?
Project management is the skill of managing and applying resources, tools and processes to produce results within a set of requirements, time and constraints.