Raped by my fiancé

He raped me because I told him I was done and not sleeping with him. Found out he was sleeping with the neighbor. He couldn’t take no for an answer. He did this and now my brain won’t work. I’m safe in my apartment but I can’t function correctly. It’s as if my brain grew fur. I’m not ok. All the days are running together and I can’t focus on one thought long enough to accomplish anything. Is this normal?