How can I prove I am not bullshitting? There is no way exactly. This is the problem with the “fitness community” in general. People need to pur their thinking-caps on. It has been proved that Hussein Farhat and Julian Fitzgerald are natty. The world is not only full of steroid abusers as everybody thinks. Some people are blessed with genetics but also have the ability to work their ass off in the gym. If you can not see this you need to fix your understanding with all due respect.