I don't know the fact that it's true or not but I know that after trading and learning to trade my analysis of things gets better and the strength of my decision is now more before and I have a lot of confidence in making quick decisions and now have patience too go with my decision whether it is loss or profit standing by my decision so that it teaches me many things that make me more confident than before. The main attribute that forex will teach you and you can use for other online businesses is patience. If you can be patient enough to get consistently from forex, then you will be patient enough to earn income from other online businesses.