Pilots are like drivers, some can some can't.
I have taught quite a few people to fly and have found that the females were the most pleasant to fly with.
Yes they do keep you on your toes, only because their ego doesn't get in the way and they will ask questions, even ones that most men would consider dumb. Remember there are no dumb questions, just stupid mistakes!
Without female pilots the smell of testosterone would be over powering!