How did your friend become successful so quickly from Bitcoin? Did he invest in Bitcoin? Or did he trade with Bitcoin? Bitcoin can never make a person successful or rich quickly. I think your friend is gambling or trading with Bitcoin. Otherwise, it is not possible to achieve success so quickly. If you think that the way to become successful quickly from Bitcoin is to gamble or trade with Bitcoin, then I warn you. Your friend may be going to face losses very quickly. There is no way to become successful quickly from Bitcoin.
Never take any big steps even after seeing the short-term success of others. First read about Bitcoin and study how Bitcoin works. I think you may be telling a fabricated story or your friend has taken a risky step, where your friend is lucky and has not started losing money yet. Maybe it will happen very soon. Because, there is no way to become successful quickly from Bitcoin. Even keeping all your money in Bitcoin is a riskier move.