A 10 year old can not keep up with a 25 year old on full contact sparring .
A 10 year old can not perceive the lethalness of a teachnique , combination and when to use it against when not top use it .
A 10 year old can not keep up with a 25 year old on full contact sparring or perceive the lethalness of a teachnique , combination and when to use it against when not top use it .