Hard to choose, I doubt my ability to come up with a system that's better than the best existing system, who am I to do that? So I should probably choose the former. But then, I am pretty smart and intuitive, maybe I'm not giving myself enough credit? Though I'd need someone to fight with all those years to develop my system, or multiple people, and I'm not that social. Also, if it actually takes me 30 years.. I'd be in my 70s and hardly able to fight effectively by the time I perfect it.