I agree because it was proven and always been proven time and again, you will hurt yourself if you record the jackpot you've won, those few times you won big but lost a lot of times, the thing is, you sometimes win big but lose most of the time so if you do the math and you check all your bankroll and betting records you lose all your jackpot and you even lose more money, so it's better to play only what you can afford to lose, and enjoy the game even if you know that your losses are higher than your winnings, this is gambling, you don't expect to win but you need to enjoy winning or losing.