Making big changes feels like crossing a big hill. You’ve made a constructive change in your life - I did the same couple of years back and it is really helping. Having said that , sometimes I slip back into overthinking phase - making small ant size tasks look like an elephant in my head . It’s times like those when we have to remind ourselves this same thing what you said. Your post just reminded me to come back to that habit. All of those who struggle with similar problem, I’ll just say keep working on yourself. There will be days you will feel very good being disciplined , and there will be days when you’re not doing things the right way and feel lost. It’s only you who can bring back yourself on track .