I miss him so much. He's all I can think about

We just broke up 2 days ago after a lot of fighting. We had a lot of problems, we both need to work on ourselves to help our own issues. I love him with all of my heart and I feel empty and completely devastated. I talked to him last night and he told me he misses me and loves me but that it just wasn't working and it was too painful to keep going. We planned to spend our lives together. We had such a connection and passion that I've never felt before. I am struggling so much. I can't stop thinking about him for even a minute. My family tries to support me but I'm just crushed, I don't want to do anything but be with him. 😢 And hearing him say how much he regrets and wishes we could've made it work and what he wanted us to be for each other just makes it so much more painful. It hurts to talk to him but yet it's all I want...