<p>Imagine going to sleep one night as yourself-the emotional, anxious person you've been all your life-but on awakening, not being able to recognize your face and body in the mirror. No longer feeling empathy, joy or love. But feeling no anxieties at all.</p><p><br></p><p> Imagine being afraid you've gone insane, and living in terror that all who know you might find out. Imagine trying to describe your 'altered state' to a succession of doubting psychiatrists.</p><p><br></p><p> And now imagine that lasts for sixty years.</p>