$EURUSD 4Hour Technical Analysis (7/01/2023).

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

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 do you view the theory that review is useless?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

What cognitive biases do we have to overcome?