No money can be considered little when we win. Just like you have said once the win is up to the withdrawal amount then it is good we withdraw the profits. Even if there are chances that we could still win if chase more wins but we should prepared to not feel regret if lose it at the end.
Yes, and I think that if most players took that simple advice, then there wouldn't be so many cases of addiction, because the addiction starts to take effect when the player loses his funds, that's when control begins to be lost, therefore the best advice that can be given to newbies, even to experienced people and players, who say they have control of their emotions and everything, is good to let them know that a withdrawal is always good, it is beneficial for us, and as long as it continues to be beneficial it will give us peace of mind and security.