I think I am beginning to understand what is happening to me, and once I 'got it', it was so obvious...
About 13-14 years ago I developed diabetes, and doctors instead of checking for it - checked everything else. Looking back it seems almost impossible how they could miss it.
As I already wrote about, lately I felt tired, with attacks of hunger and almost instant need to eat. I started to exercise and noticed that I am just passing out. I tested my blood sugar next time when the bottom hit me. Today I rode my bicycle to school, and when I arrived there I felt really strange. Instead of reaching for a protein bar or something else I reached out for my meter. Sugar at low 70s. Glass of water and two glucose tablets - within 10 minutes sugar at 105 and I felt great. Next bottom, sugar at 60, glucose, not food, to the rescue. From now on I declared a war. Hypoglycemia, you have met your match.
Before I was very angry at myself for eating more, for being hungry, I felt like I was getting back to my former life and all this effort is wasting away. I feel stupid that I did not think about such obvious cause.
Later I measured my sugar often, and amazingly could keep it at around 100 for rest of the day. No more downs, no more hunger. I still feel tired but I am sure that I have a handle on the problem.
This trip is not on the super-highway, but on the bumpy, twisted country road without pavement. There are thousands or millions roads just like this, but this road, just like others, was never traveled by anyone else.
We all are pioneers, trailblazers, however I also know that nobody else will travel that same path again, even though millions of identical paths exist, this one is mine.
Otherwise it would have been easier..
I don't look back, and I know that going back would be the easiest since that's the only direction where familiar places are, but I cannot look back.
Hope my experiences help other fellow travelers who find themselves stranded somewhere in the wild.