Why don't I stutter when I'm alone, talking to animals, babies, siblings? And, how some people get randomly cured after some years? Even in their 30s, 40s? How some people get cured by NLP (Neuro Linguistic Programming)? How some people got cured by changing their mindset? >Let me know which books published the last five years claim otherwise. It wasn't released in last 5 years, but read John Harrison's book.