How do I get over him?

My boyfriend just broke up with me Saturday. Friday, we were completely fine. We spent half the day together by his choice. Later that night, we were talking and he texted me numerous times about how much he loved me and how he wanted to be together forever. I truly loved him and was pretty sure the feelings were mutual. Soon after the good texts, he seemed to get mad at me and refused to talk to me. He broke up with me the next day assuring me that I did absolutely nothing wrong and that he was sorry he was such a crappy boyfriend. The entire thing seemed to come out of nowhere. I’m in love with him, but he really doesn’t want to be with me. He claims that he honestly still wants to be friends. I don’t think I can be friends with the guy I am in love with, but I don’t want to lose him completely. How do I make the feelings go away?