His loses where already in the pass and it's not important boarding over occurrence which has already taken place, and however a big win is highly welcomed by everyone and can give joy which covers much loses
The joy will cover those previous loses, when you win a huge amount of money everything will be fulfilled and there's no chance that it will comes up to your mind to bring back those memories of bad streak, instead you will find ways to enjoy your money. Though not everyone have same thinking but it should be the proper way to enjoy this activities. When you lose go and move on, when you win enjoy and feel the fun.