Smith got lucky to win and wise enough to use the money he earned for his business. As we know some gamblers who got lucky cant refrain themselves to keep playing for having a mindset that they might become lucky again. On the other side, that situation happened to Smith who take risk the money left, use it in gambling and win huge is not usual for gamblers playing in a casino. He is just lucky. It can happen to anyone but its not advisable to gamble with such hope because, often, the result is not the one that we expect.