There’s good evidence that you’ll fall back to the level of your identity.
This happens all the time with lottery winners who were previously poor. They blow all the money and end up poor again.
They never identified as rich people.
You have to identify (live as, feel like, look like etc.) the PERSON YOU WANT TO BE!
Otherwise you are just acting and it’s only a matter of time before the old you, the old demons, grab you and take you back to your own personal hell (piling the weight back on, skipping the gym, binge eating on Wednesdays etc.)
here's my 6 best ways to Identify as a healthy person: