<human>: Can you give me the gist of the text in a nutshell?

I'm on mobile so bare with me. 

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My bf of 3 years let me use his computer to research some pain I had beennhaving in my stomach. I went to send myself an email with an article that was helpful and it pulled up his Gmail. I don't know why but I typed in my  and hit search. 
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It pulled up several emaila between him and various friends insulting me. In one he said I was cagey and getting upset because he was purposefully ignoring me. This message was to his ex girlfriend.
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Another string was deeply upsetting. I told him once that I was concerned I have a witchy looking face. He played it off amd said he thought I as beautiful. The email is entitled: I could do better. Its between him and a friend who I do not like but ia his best friend. The friend says that I look like a witch and that I have put a spell on him. The friends says I am a "saggy titted witch face" and that he can do better. Another email later has them both laughing about this because I dyed my hair blonde and my boyfriend said that I look "a little less like a witch". 
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Theres other stuff but none that play on my insecurities like that. I just am so distraught reading all of this. They are from less than a year ago, so !maybe he thinks differently now? I dont know what to do or how to confront him about this because I violated his privacy reasons reading them. Should I forgive him? He is still close friends with these people.
<bot>: Found emails of bf making fun of my looks and general demeanor with his friends. Don't know how to proceed.