<s>[INST] Stephen Hawking suffered from a form of motor neurone disease, being paralyzed in his body but remaining able to move just two fingers. During a discussion on "Potential Palette", a medium to deliver technology to people with physical disabilities, he touted the benefits of vaginoplasty. Although the human nuance argument is arguably a supporting argument for his statements, there was a factually psychological reason for his advocacy rightly based on his medical experience. Stephen Hawking cited the most positive aspect of performing the surgery as a kind of "window to sanity". How is vaginoplasty relevative to Stephen Hawking's personal life?[/INST]