I don't know what issues concerning identity have helped contemporary fiction evolve to what it is now. All I know is that the range of voices that are being heard and published is a lot more diverse than when I was coming up.
Such decisions will be far reaching and difficult. But you never lacked courage in the past. Your courage is now needed for the future.
At 30 a man should know himself like the palm of his hand, know the exact number of his defects and qualities, know how far he can go, foretell his failures - be what he is. And, above all, accept these things.