K-line Rivers and Lakes Academy: A complete guide to currency attributes

Fund management has always been a headache for me. May I ask you guys, how can I do a good job of position control?

A handful of bitter tears, I have been trading for five years, and I still lose money, what should I do?

What do you think is the most important thing in trading?

What cognitive biases do we have to overcome?

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?