One very good advice I received was when I was about beginning my forex trading career. Then a colleague told me to start forex with my risk capital. That is money I can afford to lose. This way, there was no huge pressure for me to make money quickly so I had the time and the patience to...
Many new traders feel making huge sustained income is quite impossible after suffering some losses. But then it is possible, just choose one currency pair; focus on a trading system and dedicate much time to learning and making the strategy better.
One of my painful trading lessons was when I was using the MACD system. The histogram in the MACD had shown a signal to sell, so I rushed on but it was not an accurate signal. Now I filter my signal with more indicators like using the Relative Strength Index (RSI) to confirm the signal.