I need help 😞😞😞

So today I broke up with my bf of three years....someone who I loved so much that it hurt how much I loved him. I broke up with him because of how unhappy I was that he wasn’t understanding me. I have major family issues and he was the only person I could turn towards to. It hurts how much you can love someone and give everything to, and they can’t give you the same back. I fell in love with someone who I thought I would spend the rest of my life with. I had my future written out to him and everything. I forgave him after the cheating and after every girl and I was by his side thru thick and thin. And now that I left because my heart couldn’t take more ache, I am the bad guy, and I am the one who isn’t good enough for him. I called him trying to see if we could talk and for us to come to an understanding but instead he said he doesnt give a fuck about us anymore, about our relationship, that I was the one who dumped him, and that I ruined us. He then proceeded to say, goodbye, I am going out and hung up on my face. I have been hysterically crying all day long and I’ve been so beyond depressed lately. And now what will carry on is that I am the bad guy and that everyone on his side, will think of me less and will think I’m this horrible person to ever exist.

How do I know that things will be okay? How will I know that he will one day realize everything and will want me back when it’s too late? How do I know I wasn’t the one who made the mistake? And when will true love come to me? 😞😞😞😞