One of the things that may get in the way of people ... is that they're not in touch with their passion. If you're passionate about what it is you do, then you're going to be looking for everything you can to get better at it.
To be successful you have to be selfish, or else you never achieve. And once you get to your highest level, then you have to be unselfish. Stay reachable. Stay in touch. Don't isolate.