Ten-year U.S. bond yield is the gravity of assets around the world

Why do really successful traders never share their methods or strategies?

Do you feel lonely doing business?

Watching trends and doing analysis until late at night, no one cares about losses, no one applauds profits, good or bad, only you know, are you lonely? Do you enjoy solitude?

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?

Are you happy doing business?

There is no such question, so I mention it.

Do you guys have any good suggestions to save novice Huiyou like me from taking some detours?