Whether someone can differentiate between 'your' or 'you're' neither makes him a genius or thick.
However someone who pulls people up on their use of written English when he is unable to use it correctly himself, is;
a) a c.u.n.t
b) a thick fud
c) a complete a.r.s.ehole
You are also a lying, delusional, arrogant currant bun ...
You really have nothing going for you.