We all start school the same way. First we learn to read and write, add and subtract, etc. In other words, we learn the basics.
Then we move on to High School where we learn more advanced knowledge. At this point, we begin to understand ourselves a bit more and we start to discover where our potential lies.
Then we all go off in different directions: College, the military, the work force, etc. and we specialize in specific fields; Doctor, Lawyer, Architect, or (in the case of SPAD fliers) Garbage Collectors
(Sorry, I couldn't help but make a joke there

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It's the same thing with flying. Once you've learned the basics, find the style you like best. Of course, someone who sucks at biology won't become a good doctor no matter how badly he may want to be one. By the same token, you may not be capable of DOING the type of flying that you aspire to.
But then, if we were all good at everything, we'd all be Tiger Woods, Picasso, or Ron Jeremy