To become successful trader, you need to have some quality skill.
(1) You should have love for trading on Forex.
(2) Simplicity
(3) Strong mindset- should have Mental and Emotional Toughness.
(4) Disciplined on trading
(5) Egoless
Not that I trade Forex (unless in exceptional circumstances e.g brexit/trump) .....
But I'd add ... Focusing on only a handful of markets, rather then trying to trade 20 different pairs; to the list.
there goes 99% of the best traders in the world........