Addiction in gambling is the majority problem of most people here in this cryptocurrency world, after losing a huge money on gambling, addiction comes up, it is automatic, because we have this mindset that we could win this fight against the house if we are not going to give up, not yet until we win again some big amount of money, but that is the worst thing that we can do, sometimes we have to let go of what we lose, we have to accept it for us not to lose even more.
Addiction can be in both situations:
1) If you win a big amount, you will feel like this is your lucky day or you have mastered the game. You will feel tempted to play more and may loose all the at money.
2) And the situation you mentioned that one keeps playing even after looses in hope of a big win is also true. A lot of people do that till they have used all the deposit made on the website