Do I need to stick to the Lion Diet forever?

No. The goal of the Lion Diet is to help heal your gut so you can start introducing new foods, with the knowledge of what foods do/don’t work for you. I’ve found it works for people to go on the Lion Diet for 6 weeks to 2 years and then go into something like a meat based low carb diet. The important part is that this diet can heal you initially, help you figure out what your sensitivities are, and give you a baseline of health that you can experiment from, yourself.