You can win in gambling is you know when to stop. You need first to set your goals. How much profit are you looking into and do you have funds to start with. Once you reached your goal, walk away. You also need to set a stop loss, its your protection against sudden change of trend and price goes down again.
Right, if you can stop after losing, or if you can set up a limit before a game, you can win in gambling.
The right way in my opinion for gambling is to fix a time for gambling but not in online gambling because I think that online gambling is totally loss of time and money, and never accede that time limit. Dont be panic you lose or win and quit when the time ends. Never overdue in continue gambling so that you will never go in debts and can cover your deficits if any.