they will always think it's a lucky day so they won't try to stop and they will also lose It's time to recover losses. And also in every game that is based on luck, the pattern cannot be guessed easily and precisely because it is always random, so if today our guess is correct and our strategy works tomorrow it will be very different.
This has always been what use to deceive gamblers that gambling is about luck and they risk their game by continuing playing. Instead of some people to stop playing when they have gotten to a level whereby they can go with the money they have won so far they prefer to continue playing having the mindset that they still have the luck to win the remaining game. Luck in gambling can't be predicted but always come as a surprise.
It is important to know when is the right time to stop in gambling, and never to allow greed to make you feel their is much guarantee of winning the game to the end, continuing playing till the end can end up losing everything.