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While at the end, all these doesn't change anything, when they have already lose the game, though as you have mentioned, they catch the forum and in so doing for relieved of the stress on loss, while in some cases, we can discover that the gamblers don't even do such, either they win or lose the game, they move on as they have already expected either of the two to happen, we don't have to be too desperate with gambling, that we must win and if we lose, then feels disappointed for nothing.
A gambler or newbies that wants to start gambling is meant to already know and have a full details of what they are venturing into and knowing that gambling is a game of chance which you are not going to win the way you expect or desire to, winning is based on how the casino's house edge allows you to and you can not blame them because they are there to make profit and not as a charity company to make player rich. Even though some people luckily get rich, it is by great luck.