All these stories arise because people do not know each other well. From this story we see that the couple hastened to set a wedding date, but the woman knows her groom so poorly that she did not even suspect his bad gaming inclinations. More precisely, you can, of course, not know about the groom’s gambling addiction if he hides this addiction well. But the groom is clearly stupid when he asserts with confidence that he can double this money. If it were that simple, then everyone would be doing nothing but constantly doubling their money. But in gambling, no one can guarantee us anything. Your winning is just a matter of chance.
Some couples are so much in a hurry to wed and get married that they don't take their time to study their spouse to be and that is why the rate of divorce is on the increase. I think that it's better that the lady in the story found out about the gambling habit of her husband to be before the wedding, so that she can decide whether to live with an irresponsible gambler as a husband. The man's action of gambling with the money that him and his fiancee were saving for their wedding was a very foolish act, he's an addict and he needs counseling to help him over his addiction.