Well everything in this life is all about taking risk,and believe me if you don't lose your money while trading then you won't get better ask all those making millions although they do make some loss but they make profit More than loss and they've once lose all or most of their money invested into trading . Besides when you lose money for the first time, then it will tell whether you will continue or back out,that crucial moment is the moment you real interest will be decided. So in conclusion, trading is risky but you can make it more  profitable than the risk