If you want to win in gambling dont give all your time on it rather give your effort and full talents about numbers and marketing strategies. Don't be so emotional in your losing but rather relax your self and play again try to think of your cards and focus on game.
Being emotional will lead you to a big problem, when you are gambling for money you should always follow the game plan you made, otherwise you will not succeed in the long run. Gambling could be a hard way of making money but with your skills and being smart, you can make your life easy in making money, so if you feel you have that gift, you should focus gambling and abuse the casinos.