+As an illustration of how the hope for radical human enhancement is [fraught with technical difficulties](https://www.lesswrong.com/posts/EQkELCGiGQwvrrp3L/growing-up-is-hard), ["Changing Emotions"](https://www.lesswrong.com/posts/QZs4vkC7cbyjL9XA9/changing-emotions) sketches a picture of just how difficult an actual male-to-female sex change would be.