I guess there is nothing to do with age. All of the intellectual people have shown their creativity early in the ages, especially from childhood too.Some are late bloomers, that's why they hate the early bloomers. In my personal view point, I believe, if you have capacity to do calculus when you are in nersury, you are one who can create your own domain. You even can explore Laplace transform, if you now able to do calculus well.But I agree with the facts that to go to the place where you will not feel lonely.