Not anymore, from the moment the player realizes that poker is a game of probabilities, that even with AA you will lose sometimes, especially if you play badly, in short, having an idea of the numbers, knowing that many, many times you you will call winning and you will end up losing, knowing that you will take 2 outs on the river, it's part of poker, the sooner you accept this, the better and more enjoyable your sessions will be.
Not taking external problems into the game is also very important, personal, financial problems, in short, avoid any distraction when playing poker, try to have a clear head to make sure you are making the best decisions.