Keto, weight loss and an alert mind

I am a 58-year-old man who loves food, cooking, and wine :) My weight has been increasing at a steady tempo since my 35's. By March 2021, I was weighed 90 kg and had reached a size XL. I had never heard of Keto before, but one day in March, I promised myself to stop using sugar in my coffee. Within a few weeks I started searching for information on carbohydrates online and found this lifestyle called Keto. It was just me, as I have no problems eating fat, salt and vegetables.I have lost 17kg and am stable at 73kg for the last 3 months. I have been fasting for over 3 months from 8pm to 1pm the next day and am not hungry in the intervening period. The most incredible thing is the clarity and mental stability I experience in everyday life, it is as if the brain is clearer and I do not experience the usual ups and downs. Have been to my own doctor and all my numbers look fine. I can see now how many people around me could benefit from this type of lifestyle but I will not preach, but instead answer honestly when asked. I am convinced that eating habits will change in the future where carbohydrates will play a minor role. Thanks to everyone who has guided me and inspired me over the last few months. Best regards Christoph