Market View on USDCAD

As far as I know, many master traders will rely more on the sense of the market, how to cultivate this feeling?

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

What is a perfect trading system? Or is there a so-called perfect trading system?

Seeking expert guidance, what is the difference between left-hand trading and right-hand trading?

How to solve the conversion between large cycle and small cycle?