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Gambling with some huge sum of money doesn't imply that such persons are strong hearted, in this aspect being able to maximize your losses and amidst all of the challenge gambling brings you still push forward that's the kind of people you can label as being strong hearted,cause nevertheless they still intend to keep their gambling habits going void of addiction and some other acts.
Gambling a considerable amount of money does not need at all someone is strong-hearted, that is true. It only means the person doing such a thing is either reckless or have enough money to burn to the house and continue their life as any of that happened to them.
Someone who is truly strong-hearted is a person who is able to take loss after loss after loss and continue to gamble responsibly without increasing their wager in other to chase all those losses, having a strong heart has something to do with holding a very strong will as well and one needs such a thing to overcome the feeling of chasing losses and logging out one's account before it is too late.
Though, It is normal we all have our moments of recklessness when we allowed our impulses to take control over our common sense and committed a mistake, it is part of the experience of being a gambler,.I guess.