Wasn't going to respond . . felt like a bragging thing . . . but made me think about all the 'stuff ' I think i've learned along the way, and the many great friends i've 'knocked around' with.
Started 48 yrs ago after 7 member gang jumped best buddy and me - kicked our butts.
Still practice something from one of the arts most days (Aikido, Wing Chung, BaGua, Hshing Yi, T'ai Chi) only now I use a cane instead of a sword.
Two best lessons:
 "Don't be there!"
 I need to carry a gun. :hand5: