I think yes Forex gives us mental strength and shows us perfect discipline when trading online and therefore we get the perfect development ability and interest to open other online businesses, but yes it all depends on your personal interests as well as if you are interested in Forex , there is no reason to get into other business what I feel. and yes forex in terms of money management and learning descipline in business is a very good thing, forex even teaches you to study the market and improve your analytical skills which is also important in many other businesses too, just because forex is open 24 hours and involves eye trading money is not much different from the basic principles of business.