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This really is a desperate gambler's move, the urge to gamble is so strong that he cannot resist that he has to borrow money from a friend, if it is his birthday and he wants to have a good time, we can accept this, but to the point of making a loan to gamble, this is a symptom, of gambling addict, you will only loan money when you badly need it, or you have a good project ahead and gambling is not a good project.
The fact that you can't control what will happen when you are inside this activities should be noted that borrowing money is not healthy to anyone.
Gamblers needs to act accordingly and it's a must not to use money that you can't afford to lose especially money from lending. It can use more
in many more important things and not to gamble it with luck.
Knowing to set limitations and always keep in mind that risk are high when you are playing gambling so don't be a fool trying to have easy money, there's no reality of doing that only luck will permits you just in-case.