If you continue following such kind of act when you are experiencing losing streaks, chances that you'll see yourself losing a lot and like what you mentioned, it can lead into addiction and we must stop that kind of emotion. Either force yourself or find ways to use alternative venue to put yourself to other things instead of pushing yourself forward and keep losing more. That will allow us to find that discipline we need to avoid making huge mistake and lose lots of money.
If losing streaks often occur in betting, then I would think about leaving gambling altogether. Betting is different in that the player chooses the bet himself, if he is not good enough in betting, and this often leads to losing streaks, then why do it, for me it means lost money and disappointment from lost money, it has nothing to do with pleasure and entertainment. The best way to avoid emotional disorders is to find yourself another hobby.