Wait until all the infrastructure you've built gets torn down and replaced by whatever is fashionable in a few years, and it'll really hit you. As far as meanin

Wait until all the infrastructure you've built gets torn down and replaced by whatever is fashionable in a few years, and it'll really hit you. As far as meaning, I don't know; I'm thinking about building ecosystem aquariums now because that looks interesting. Maybe doing something in medicine in the future, but starting over is pretty difficult to contemplate, especially when you need your health insurance.