Hey there @johano!

Thank you very much! It's been quite the journey this last 20 days!

One question, what about slim people who don't like losing weight but are interested in fasting?

You'd be surprised to learn that, of course, you'd lose fat during a fast, however it isn't the biggest factor how much fat you have as your body actually consumes a lot more than just fat during a fast! In the process of fasting your body begins the process of autogaphy, which basically means the eating of old and dead cells within your body which you really do not want there anyways.

When you do eat the old and dead cells for fuel, your body then goes ahead and repopulates with fresh cells which is overall a benficial effect!

I'd say, even if your body fat percentage isn't the highest, fasting is still very much viable!