IF LOVE REALLY IS A DRUG HOW CAN I KICK THE HABIT?

i have been with this girl for three years now i really love her but i know she isn't right for me she is very violent paranoid obsessed Two faced and a few other things i don't want to mention every time we get into a argument it ends up on her face-book status thing and she twist the truth to makes it sound like she is the Innocent one and im the ****** but i still love her is their a way to get her out of my life without going threw with-drawls?