I want him badly.. pls help me!!?

i've been working in this office since 1 month.. this is the guy in the same building but different office. unfortunately we are not aloud to talk to the people from other companies. now i love him like hell. and he knows that. one of our common friend told him. but he's already kind of in relationship with a girl of his company. but i want him badly. i m totaly not the type of girl he wants. but i'll do whatever it takes. i want him on his knees for me. plz give ideas and suggestion. no immaturity plzz. n plzzz DO NOT TELL ME TO FORGET about this guy.. i WANT him. By hook or by crook. plz reply... its urgent... thanks in advance :-)...