US100 approaching a key confluence zone

What books did you guys read when you created your own trading system?

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?

Are you happy doing business?

There is no such question, so I mention it.

What do you think is the most important thing in trading?

How can one be called a qualified trader?