It was a mix of internal and external motivations. I knew that I was doing something good for myself — I was becoming a healthier and happier version of myself. Additionally, I was also doing something good for the environment — lowering my carbon footprint, eating local, etc — and helping other people realize that they too could change their bad habits.
When you come to a point when you make the decision to do something, you have to put all of your heart into it. No holding back, no restraint. When you give it your all you’ll be surprised at how much strength you really have.