How to understand if I have a mania for playing in a casino?

And why do you think that you have a mania for playing in the casino? On what basis did you determine this? How much money do you spend on gambling, how often do you play and how much more do you spend compared to the winnings received? If, after answering these questions, you understand that you are spending more money than you earn (much more) and do not know how to stop in time, then you need to think about taking a break. OR play on https://fairspin.io/ in free demo versions, so as not to incur any cash costs.