Ur opinion on dim mak?

im starting this because im tired of seeing a load of bs float all over on the internet and some martial arts that have no ''mysticsm'' get downed i think there is no ''superior art'' im a yellow belt in tang soo do but i know ALOT about the human bodie and i find several of these ''death strikes'' are nothing but bull sh*# but there are however real ones like the jugular strike and other means but how about the ''dim mak'' taught in schools do you think it is all true? and if so give information proving that all of thoes strikes are ''dangerous'' because my friend knows a little ''dim mak'' and i told him to try it on me needless to say that the technique he used was perfect and might have actuly killed a motionless oponent but i was fluid and it skidded across and let me tell you my friend will is not slow or weak and is a 5th degree blackbelt in wing chun and kimpo karate so tell me what is ur opinion of ''dim mak'' and dont sell me any hocus pocus magic crap i understand that some of it is real and uses human antonmy and etc but realy whats ur opinion because im doubtful that its all people make it up tp be