I allmost never have just 1 reason for anything.
As a real little kid I thought Karate men could cut your head off with their hands, being a little boy allready on a serious Star Wars trip, that sounded pretty cool.
When my Mom moved me to Upstate NY, to marry my Step dad, I moved into a small town from Metro DC.
Being from out of town and a small cross eyed, glasses wearing astmatic kid with big currly hair and who's parent's were "Bikers" got me picked on alot.
I fought at least once a week, sometimes more from grade K-5.
I'd get messed with, I'd react and there you go. It was usually kids much older and bigger than myself.
I allways tried to emulate the kicks and such Buck Rodgers and James T. Kirk would use and try them in my little schooyard encounters, at the same time I was begging my step dad to let me take Karate or Kung Fu as I knew he had studied in Asia while in the Air Force.
He allways said I was not ready and he did not want to put me in a class and have me quit (The nearest Dojo was also 6 miles away)and he did not have the time to train me himself.
That changed in 4th grade. My best freind was taken TKD and showing me what he learned. Dad noticed my kicks and punches looked pretty good, so he gave me a few pointers and left it there.
Then I came home with a black eye from a fight. He asked what happend.
I told him the other kid hit me first and I shoved him to the ground and waited for the kid to get up. When he did he let me have it.
The old man said "First mistake is letting him get up, kicks work better when the guy ison the ground."
He then started to show me how to headbutt, while trapping his foot with yours and following up with an elbow an shove.
From then till my folks divorced in 86 I trained 1 x a week with Dad and was allways practicing. Itb was a meld of the Combat TKD, Muay Thai and Polish Streetfighting and is one of the reasons i always liked combative techniques that work.
When I moved to South Florida, I landed in a rough area and a rougher middle school, that was a Gladiator acadamy for the Hellish High School next door. The fights became more serious.
I found a Dojo and started training again. It not only made me a better fighter, wich has helped me survive people actually trying to maim or kill me (Long story, been assulted by crackheads a few times) but it also kept me out of trouble (all the kids I ran with before the TKD school ended up on crack, in jail or dead.) for a while and gave me an extended family.
It also opened my eyes to Jujutsu and startyed my search for it.
So Self Defense was #1 but I have got so much more from the arts.