Does this mean it's over?

So I have been dating the same guy for two years now and let me just tell you it has been nothing short of the best and the absolute worst time of my life. So we started dating February 2015, and until October 2016 my eyes were only for him. I have never met up with anyone, it has really just been snapchat with other guys. Anyways at this point I am NEVER in the mood to have sex with him. Like last night we did and it was awful, first he started by eating me out and it was terrible, like almost unbearable. So we started having sex and it was just bad, like it has never been that bad before. Ugh anyways I love him and I can't imagine my life without him but I know this isn't normal. Help 😭😭😭