Recenlty Ive been watning to learn some kind of martial arts...maybe brazillian jui jitsu, kickboxing or krav maga...

but i'm relatively small guy 5'9 140lbs...does it rewally matter in jui jitsu how big you are? I know kickboxing doesnt...i see this small 102lns thai guys kicking the living shit out of each other all the time, so i can qualify for that...

I just want to learn some fighting for self defense and i thinkits alot of fun...all i know i street fighting now...but it wont do me alot of good