Is financial trading a profession?

What cognitive biases do we have to overcome?

As a "trader", what trading discipline do you have to restrain yourself?

My usual trading system continues to fail, what should I do?

If a trading system built by myself often fails and causes losses, should I abandon this system and replace it with another one? Is there a stable and profitable trading system?

How to systematically learn foreign exchange trading?

I have had a few positions liquidated recently, but fortunately the losses were not very large. I would like to ask everyone, is there any way to prevent liquidation? Is there any trading discipline?