The DXY, Where to HTF?

Some people say: One point of trading depends on technology, nine points depends on emotion, what do you think?

The trading mentality is always demonized. It is true that the mentality will affect the order, but it is too exaggerated. Shouldn’t it be that one has strong technology to have a stable mentality?

Why can you see the general direction right, but make a bad point in the transaction, and lose money instead?

How do you view the theory that review is useless?

How to choose a platform, can copying or calling orders really make money?

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