Intuition is something which guide you in the right direction many a time. As a victim of Myasthenia Gravis (A type of muscle weakness) I was suffering for many years. It started like this one day while I was discussing something with my wife she said your voice is not usual as I used to deliver lectures in All India Radio which listens to without fail she is familiar with my modulations. But I was adamant and said there is no difference in my voice. After some days I realised myself that something is wrong with my voice my wife