Let me help you with this!
I have designed a program solely for this purpose. I call it the Elemento Program. It's just 4 weeks long. Enough for you to learn how to establish and achieve any goals. I will teach you a bright-line rule that will change the way you implement habits in your life.
During these 4 weeks we will work on one goal that is prior to you. We will work together on setting up the right conditions for you to achieve without losing focus or motivation. This method erases guesswork and consideration of all endless possibilities of a "healthier lifestyle". It will give you a new identity and you'll use it to strengthen your willpower. You will be able to set intentions and stick to them until they actually become your norm.