that's why I got my son into scholastic wrestling,its brutally hard and teaches kids the meaning of hard work and dedication along with sacrifice,these things above I just mentioned r all elements that can help a kid succeed in life as well as sports.nothing against other types of martial arts cause I believe they all have certain moves that can be used to a persons overall arsenal,i just believe a younger kid like my sons(6-8) age needs a great grappling base for self defense from asshole bullies and in general. I told my son as long as his grades stay really good like they have been he can keep wrestling, I want him to do really well in life and get a good job and education, so he doesn't have to go thru hell and suffering like I went thru in my life