Marriage, for a woman at least, hampers the two things that made life to me glorious - friendship and learning.
Well, I think that there is a connection between being a lawyer and a doctor and an actor. They kind of, in some ways, have the same appeal, I suppose.
The most important application of quantum computing in the future is likely to be a computer simulation of quantum systems, because that's an application where we know for sure that quantum systems in general cannot be efficiently simulated on a classical computer.