We couldn't control that state of the person during the gambling moments specially when there's an influence of alcohol and other substances that's unavoidable. However, that depend on the person who has the best discipline with respect to wealth distribution. Some players do win, but for most who played without any goals with their finances; I guess that wouldn't be a smart mindset. Gambling habits wouldn't give you a good future particular to those people with families to feed.
Sometimes, controlling some one gambling especially under the influence of something is a very difficult task because they are and may not listen to you because they will be bent on getting a win and anything that isn't showing them such or isn't making them feel they are getting such is definitely going to not be something they would want to listen to at the moment because they are not in their perfect state of mind.
Talking about having a future that with gambling, its possible but it will have to depend on the gambler and their approach to the games but if they are addicted and aren't making profits enough then the chances they are goin to make a future off it becomes slim but otherwise they get a good future of it if managed well.
If it is in poker or sportsbetting, I can say, there's a possibility for the person to make profits or make it as a living. However, he needs to be the so-called expert on these aspects of gambling, before they can be confident to themselves that they can truly say, they can make profits out of this activity. It is not an overnight task but years of experience and honing their skills. So talking about future, this is actually very subjective and no one can assure of themselves to attain such phase of their life. As this is gambling, even if you are in poker or sportsbetting, losing is always part of the game.
Individuals gambling that have family to feed shouldn't be gambling excessively and always have plans for when they don't win but loses. There should be different ways they can supply money to their family so the family doesn't starve if they depended on him to feed. Family should have both parents helping out and not depending on only the husband as they'll make him to be stressed to always provide. The husband is meant to be the provider but the wife can help him sometimes and the family will be in unity not minding if the husband can't provide for the time as he's having shortage of money. No man should be gambling as the only way to provide for his family.
It is by no means advisable to gamble when you are using your money for you or your family's basic needs. In today's generation, most parents are already working as they need to get decent income to help their family survive. I believe, the traditional way of being the husband is the only one making money in the family has long been gone. As much as possible, not only parents as well as other members of the family are now helping each other to cover at least their basic expenses as a family.