Is it possible to learn everything about forex by yourself or do I need a mentor
IMO, the answer is yes and no. You should start learning on this site, taking it slowly one step at a time, to find out if it suits you and your lifestyle. Open a demo account, get used to the platform offered by your broker, and experiment.
When you feel comfortable with yourself, you’re ready to learn a heck of a lot more trading live. It’s a different ball game with no guarantees of making money. This is the time to consider whether a mentor would benefit your progress. Underneath, this would be the quickest way:
I was fortunate, because I entered a financial institution as my first job after leaving school, and my best education was being able to learn how to save money to buy shares on the stock market - money management in FX trading terms.
However, without that option follow this link. It will help to fast track your progress