Once you get to 10, you want to get to 20. Once you get to 20, you figure, "Meh, let's go for 30." Once you reach 30, you decide to go for 50. Once you reach 50, things are getting serious and you aim for 75. Once you get to 75, things are just flowing and you knock down 25 more like they're layups.
Now imagine doing that twice a day, from five spots on the floor, and I think I've got an idea of what separates professional basketball players from the scrubs.
Moral of the story: anything you want to achieve in life comes slowly and painfully. In the end, you'll figure out if "the juice was worth the squeeze."