Exactly, it is not about winning always, when we loose let not allow it to border us ,such is life. Let just move forward and think of ahead how to make the win. Loosing sometimes gives the energy to win great win.
For that you have to make up your mind that you can lose and win, both in gambling. If you only have the feeling that you will end up winning, then losing will cause you much harm. You may become sad or play more revenge gambling to cover the losses which will further make your situation miserable.