Have you considered whether most of your losses stem from being too obsessed?

The money lost on a certain coin always wants to be made back.
Frequent operations but still frequent losses
I would rather doubt that it's a market issue.
and without doubting that there is a problem with the vision of the target I chose

Like to always go long or short
Firmly believe that my judgment on the future direction must be correct.
Frequent margin increases lead to averaging down positions until liquidation.
Everyone makes mistakes.
If you are looking in the wrong direction, you are wrong; you must learn to cut your losses in a timely manner.

Sub-qi is a striking case.
Its losses made him give up his long-standing bullish obsession.
Now have learned to short the market.
The market is constantly changing.
We cannot aim accurately at every direction.

Learn to reconcile with yourself, face mistakes and failures calmly, you don't need to earn forever, just a high win rate is enough.