When are you deemed old enough to know what it isyou would liketo study and don't get useless figures shoved down your throat by people who seem to think that everyone in the world cares about politics and economics so they all will study it, regardless of whether they are studying art?
That X is your default throwaway descriptor, and it is in your interests to make sure that it is something you would like it to be, because that is what people will default to in their description of you.
