This is simple, if a person who before did not have much money and bet, it may be because he did it out of necessity or because he really liked it, we will realize if even when he is a millionaire he continues looking for the casino , because then it will be noticeable that he likes the game and that is why he did it, there is no other way, also to prove to himself that he can Make bigger bets and that he is Capable of continuing to do well, but when there is a lot of money I think that more Responsibilities come, and one of those is the Investment before the money does not run out.