Know Any Useful Fightingg Tips?

Fighting Is My Life, Whether Its Boxing Or UFC On The Telly Or Specially A Good Old Ruck On The Field Or A Riot Up The Selhurst! Im Known Around My School As Animal And Tank Through My Reputation Of Slaughtering Boys Twice My Size. Iv Been To A Few Boxing Gyms Including Duke 'Juke Box' Mckenzies One And My Three Older Brothers And Dad Have Taught Me Well Since I Was About 7 But I Have Never Had A True Trainer. If You Have Any Usefull Tips Or Fighting Stories Please Share Them. Cheers.