You must be thankful for the site since they still allowed you to recover the losses you almost have
Next time never chase losses on gambling instead be contented when you think the money you spend is enough for the day or else all you will get is failure and frustration
Why he must thankful for primedice? It's not because the site which let he won, but it was because his luck. His luck made him recovered all his losses before even with risky bets like that.