What's more important for injury prevention, Strength or Mobility? A tale as old as time the answer is specific to the individual but the boys give you the guidelines to work it out for your self. Also "Who's your Daddy?" When it comes to BJJ lineage who you learn the majority of your skills from is really your teacher and knowing who is your Grand Daddy might be a little easier to know. Lastly have you noticed that Blackbelts only date Blackbelts? Surprising Questions with surprising answers.