Please Help! I Feel Myself Suffocating!

Hello, please read my story and share what you think. I had a friend for 6 months. Everything was fine the first month until she started talking to my ex. She was what you are. Even when we were traveling on vacation he said to me "She cheated on me, and I didn't understand why ..." she started to wonder and that irritated me, but I didn't say anything. Still, he experienced something. I asked him if you felt anything else for her, he told me no. Then he showed me pictures in google photos, he wanted to show me his old car, and I saw pictures of a girl, I asked who she was. It turned out to be his ex. I asked him why you keep photos of her, he told me that he just forgot to remove them and that he would do it. This hurt me a lot because there were a hell of a lot of pictures, and mine weren't on the phone. And he told me he loved me. One night we had an argument. And I told him I just wanted to get rid of them. why keep them? When I deleted them there were 1200! 1,200 people to his ex! And there was no one of mine. This passed, but while we were at work (we work together) In the closet on his mother's desk I found her engagement ring from 5 years ago .. it was still there. He told me that he allegedly gave it to his mother to remove it, but he was there .. I felt terrible .. Recently he stopped asking for intimate contact .. and he told me that even with her in a cycle when she was he was they did .. I feel terrible .. He stopped talking about her, but I feel like a substitute for her. Because before every second of his words it was her ... I love him, but I can't stop thinking about these things, they don't come out of my head and bother me. He didn't want to touch me, he was looking at naked women ... he always likes pictures of girls on Facebook. All naked .. I feel terrible. Love it, supposedly trying and at the same time repulses me if I want intimacy .. When we met I was a virgin, he is my first. At first we didn't have sex because he had contracted another girl. We met him in 2018 on Facebook. We wrote to each other every day and suddenly he stopped. Then March 2019 called me again. I wondered what had happened. And he had found another with whom he had unprotected sex and contracted a sexually transmitted disease. I was with him through all the doctors and I supported him while he was healing ... and he makes me feel superfluous and unwanted. If I tell him it starts with no, it's not. All this about his former and fairytale photos rings makes me feel like a second option .. please tell me how would you do? I feel on edge! At first we didn't have sex because he had contracted another girl. We met him in 2018 on Facebook. We wrote to each other every day and suddenly he stopped. Then March 2019 called me again. I wondered what had happened. And he had found another with whom he had unprotected sex and contracted a sexually transmitted disease. I was with him through all the doctors and I supported him while he was healing ... and he makes me feel superfluous and unwanted. If I tell him it starts with no, it's not. All this about his former and fairytale photos rings makes me feel like a second option .. please tell me how would you do? I feel on edge! At first we didn't have sex because he had contracted another girl. We met him in 2018 on Facebook. We wrote to each other every day and suddenly he stopped. Then March 2019 called me again. I wondered what had happened. And he had found another with whom he had unprotected sex and contracted a sexually transmitted disease. I was with him through all the doctors and I supported him while he was healing ... and he makes me feel superfluous and unwanted. If I tell him it starts with no, it's not. All this about his former and fairytale photos rings makes me feel like a second option .. please tell me how would you do? I feel on edge! And he had found another with whom he had unprotected sex and contracted a sexually transmitted disease. I was with him through all the doctors and I supported him while he was healing ... and he makes me feel superfluous and unwanted. If I tell him it starts with no, it's not. All this about his former and fairytale photos rings makes me feel like a second option .. please tell me how would you do? I feel on edge! And he had found another with whom he had unprotected sex and contracted a sexually transmitted disease. I was with him through all the doctors and I supported him while he was healing ... and he makes me feel superfluous and unwanted. If I tell him it starts with no, it's not. All this about his former and fairytale photos rings makes me feel like a second option .. please tell me how would you do? I feel on edge!