Come back some other day and try your luck again.
meaning of a person that has limitation and self control , if a person has this then gambling will never been an issue.
But what you said is a perfect attitude treating gambling , because separating your capital from your wins and deciding how much to let lose again in the following day is what we can call discipline and you are already safe doing such.
But its ok because at least i can smile after knowing that i make it grow from almost a dust