One of the most important factor of a successful gambler is to know when to stop, most gamblers expecially the addictive type don't even know what is stop when it comes to gambling. So it's very important to;
* Stop when your losing is now getting to you.

* Stop when you are now feeling as is you can't do without gambling.

* Stop when you have a big winning, by channeling the money somewhere else so you won't lose it back to gambling.

* Stop when you are not even winning at all, it's not your thing.

* When your losing is weighing you down, stop and restrategize .