Hi, first of all is that you don't need to convince somebody with something, all the best you can do is to have yourself the results that you want, and to be an example for anyone who could be interested about your success... Then,even if you will tell about your success, you will have also your own results to show that you are not joking about what you do.
Until then i suggest you to learn, make profit and to help others understand what you already understand.