He left his girlfriend for me, then reject me?

I had this guy on my instagram for about 4 years, liking me stories but we never talked. I answer one story to him, he claimed he had a girlfriend but keep the conversation going. Three days went by and he left his girlfriend on Saturday, that same day he asked me out. I told him it was to soon and that I thought it was better if he took his time, he insisted to see me. On Monday I went to his house, it was awkward, he gifted me two pokemon cards as that how we started the conversation, said that I was to way far from him, to come closer, we talked for about two hours, he mentioned his ex and that he wasn’t sure about dumping her (by message he told me that he didn’t find her attractive any more and he was planning to dump her like 3 months ago). He has depression and it’s diagnosted also anxiety and had some episodes before when was younger. I was feeling that being there was wrong, I told him he seem not comfortable, he say do you really want me to be honest? Sure, then he say I don’t look like my pictures. In never been told that by someone that I met online, I don’t use filters so it was quite a shock for me. I decided to leave and he say sorry several times and once I arrive home I notice he had deleated me from instagram but not on the phone. Now I feel really bad about my image and myself, (last year i had an eating desorder) as I never been told that. How can I overcome this? I feel ugly and insecure about myselft, I think that it was cruel by him to say that but I can’t stop thinking about it.

He left his girlfriend for me, then reject me?
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