Re: Matt Smith's Departure Confirmed.
There's no reason whatever that a female Doctor would have to be any more 'normal' than the current incarnation. She could still be an insensitive, self-loathing, solitary creature that needs an external presence to round off the rough edges. It would, however, be interesting to have a female Doctor to counteract all the shrieking in terror that the companions usually get up to.
Some say that BB-8 is made from his discarded helmets and that he once turned down a role as a Stormtrooper because it had too many lines.
All we know is, he's called The Stig