A loss in trading is not a loss.
Here is why;
Most traders take losses and get frustrated why their trading strategy is not working.
However, because of their myopic mindset or weak psychology, they forget to understand that a loss is only a learning process or lesson for trading.
Each loss will not only help you but it will mould the successful trader you will tend to become in future.
It may hard now, but in years, you will be shock at yourself because both the pre-mature and mature traders will be under your tutelage for more knowledge(learning of tips and strategy) and they will be equally recognize you as their MASTER in trading space.
This would be very difficult to digest by those who tend to trade risk beyond what they can afford losing in their trades. Except you're learning through demo trading there's no how you won't lose as a newbie trader going live on learning trade. And it's only benefiting as a starter that you always use such amount so small that you can afford to use in course of mastering your strategy and skills. And always making sure to backtest to know why your trade failed. That's how we learn to reduce our mistakes.