... and it's so cool. Actually, it happened sooner than I expected. It turned out that our local Academy of Sciences is seeking for PhD students.
I applied, successfully passed my exams and I'm in!
For those you don't know - Countries that were part of the former Soviet Bloc have their own Academies of Sciences. For example, we have Russian Academy of Sciences... I got accepted into our local, Bulgarian Academy of Sciences.
So I have three years to produce some useful science and publish articles in journals, to write a thesis and after that I will become a PhD