I don't know why but I always get a feeling to gamble, after then losing my money, I quit for some time and then continue, but I know I will lose my btc 
Why is it so addictive?
It's human nature to have greed. Gambling is a great way to feed that nature. People tend to gambling again and again to earn profit. After you win you'll gamble again and again and again.Why is it so addictive?