I am going through a nursing adversion. Lately I can't stand the way nursing my son feels.…

I am going through a nursing adversion. Lately I can't stand the way nursing my son feels. Especially at night. I become so mad and aggressive. I'm almost at the point where I want to wean him. I feel like I don't want another damn thing (like my baby or boyfriend) to touch my nipples for the rest of my life. What the heck is going on?! Hes only just turned one. He still has a strong desire to nurse. Why am I feeling this way?