Need advice

Halloween night I went out partying with my boyfriend and his friends, we had a great night.. this morning we were fine, had sex and then talked about plans later.. then an hour later he looked at me and said he wasn’t in love with me and broke up with me. My heart shattered. We’ve been together 2 years he’s the first guy I ever loved I’ve done everything with him I’ve gotten so used to him I don’t know life without him. I’ve spent all day crying and I have the worst pain in my chest and I feel so numb. The thought of him being with someone else is killing me. I don’t know how to get through this I’ve never been this heartbroken before how do I get through this? We were supposed to be getting a house together in a few months 😔 planned a whole future together and it’s just...gone