I Guess there's problem in me

I have given advice to alot of my friends on how to get a girlfriend , how to talk girls Be nice to them , etc etc they all are in goo...

I have given advice to alot of my friends on how to get a girlfriend, how to talk girls Be nice to them , etc etc they all are in good relationship But whenever I try to do the same nothing seems to work I always get ignored in some way or another or end up in friend zone What am I doing wrong?