There is never any secret to someones success. There is only one foot in front of the other. There will always be someone ahead of and behind you. There will always be an unfair advantage. There will always be an excuse not to do it.
Back in 2012, I went to the first Circles Conference, and Kyle gave the opening talk. He spoke about the challenges of design from both a skill standpoint and a philosophical standpoint. His point, in a nutshell, was that learning Photoshop is easy compared to learning how to solve problems.