Casino games should be used very carefully because it's really easy lost money on it...
I'll try to play just if there is some bonus or some wagering competition, unless I am playing just for the pleasure to play nothing more

I never expect to win and unfortunately this should the right approach because in the long term I can just loss

House edge, a lower house edge is something helpful for the player, but it's a mathematical explanation that in the long term I can only loss money