heh
It is exactly my mistake from yesterday..

At the beginning i strat playing with little amount 0.01
BTC and i win x5 - 0.05
BTC. I should stop. But no! It is lucky day! hehe no way! I lost 0.2
BTC It is how work illusion of winning..
No, that is not illusion of winning, it is just another example of gambler fallacy. Your winnings were real, you just didn't know where to stop.
Knowing where is the time to let go, stand and go home is the most important lesson every gambler should learn if we want to earn money from gambling.