Tell Me How To Overcome It?

The site is full of similar stories, but I need to write mine. I need advice and opinions from other people because I can't help myself for several weeks. I had a relationship with a man whom I considered to be the most wonderful, the most loving and kind person. But love is blind, isn't it? When you love someone, you do not see their shortcomings. My love for him was so strong that it hurt me more. I've become too attached to him, and maybe that's my mistake. I was inexperienced because he was the first person I let in. Until that moment, before I met him, I couldn't like anyone, I couldn't fall in love, and I didn't want to go with a boy just like that. I grew up in a family in which I had support only from my mother, in general she raised me, she fed the family. My father drank and I could never share anything with him, she did not have that paternal support to make me feel strong and protected. Therefore, when I met the love of my life, I found in him this strong male support and support that my father did not provide. He is 24 and the fact that he was older than me I thought he was mature enough and more experienced, unlike my peers. I didn't fall in love just because of that - he was great with me, his way of thinking struck me at times and I said to myself "this man is one in millions". After a while, everyone showed their flaws, so to speak. I with my jealousy, which after a while fades away, because I think that our relationship has settled down and I have great confidence in this man, and he with his impulsiveness, irritability and sometimes selfish behavior. This behavior was not towards me, but towards other people, but even then I hadn't thought about it enough. I will not go into details about the humiliating way for me to end our relationship. He didn't give me a good reason. I don't know if I'm tired of him, if he's found another one (although he denied it), but I don't want to know because I'm getting even sicker. My relatives and friends reassure and support me because he was very close to them and they left a very good impression of him. When I told them, everyone thought I was joking. When I pour out my grief with a friend and he gives me advice, I feel better, but it's temporary. As soon as I am alone and alone with my thoughts, I start thinking about our memories together and start crying. I blame myself for making the mistake of thinking about the future with him and thinking we will never break up. Naive thinking of a girl, to which his heart had never been broken before and had not been scalded. Now without him I feel lonely, I have no motivation for anything, my ambitions have evaporated, I have no plans for the future because I built them with him. The bad thing is that I started thinking that sooner or later all people would hurt me, as he did to me. They will wait for me to love them very much and they will leave me. All I wanted was to have a faithful companion in life. I was happy that I loved and was loved. And now it's hard for me to move on. How can I stop living under the illusion that if you treat someone the same way, they have to reciprocate? And more importantly, how to stop thinking non-stop about him, because he hardly does, he went on with his life while I am tormented. I don't want it to be that way, I want him to stop caring about him, to make me indifferent, to learn to be happy without him. I can't become insensitive, that's how I am, I love strongly. I hate being like that.