Have you ever heard someone say, "I wish I had that kind of willpower," when her friend orders the salad instead of the fried chicken? It's as if they are convinced some people were born with supreme self-control. But self-discipline is a learned skill, not an innate characteristic.
In the book, Mastery by Robert Greene, he talks about how some people are born with higher IQ’s and have a lot more natural talent than others.
They are usually out-shined by someone who has a lower IQ and a lot less natural talent.
Examples of this phenomenon can be Charles Darwin and Sir Francis Galton. Galton had an exceptionally high IQ and was a child prodigy in science, while Darwin admitted to be an ordinary person. Yet, Darwin is now more widely known and accepted as the more prestigious, superior scientist.