Lin Dan is the best badminton player ever. What makes him so different than everyone else? Why has he dominated the badminton world for so many years? Is it because a. he is mentally the strongest. b. he is smarter. c. he has better coaches, sparring partners and training system. d. he has more coaches, sparring partners and supporting professionals. e. he had Tang XH as coach for many years. f. he has XXF. g. he is from Baiyi (eg, JYJ, WX and LXR) h. he has better techniques (eg, footworks) What advantage(s) does he have over Peter Gade, Taufik and LCW?