Answer 2

EQ: What is the most effective way to become a successful Jiu-Jitsu practitioner?
Answer 2: Never underestimate ones knowledge of self defense
Evidence: Once during service learning this one opponent went easy on me because he thought I did not know much. My father is old and over weight but he is a black belt in shoalin kung fu, and once during practice with him I assumed he did not know much grappling techniques and it turned out he could still handle himself.
Source: INdependent component 2, Service learning, and interview 3 and 2