So my boyfriend had this friend that was a female and they were friends for about five years max , I felt like something was going on and he ended up not talking to her anymore because I was uncomfortable with it , She would always text his phone and he would ignore her for months while we were dating ... she texted him randomly and said that she doesn’t know what she did wrong and it was good knowing him and she found it immature that he “ghosted” her. I also told him if she ever texts him again to let me know and he saw she texted him jd never told me until I looked through his phone and saw and he never responded . I myself put it upon my hands to text her from my phone and tell her what’s her problem and that they were never a thing and he’s not her friend anymore and she needs to stop contacting him, I asked him multiple times if they ever had a thing and ever had sex ... I asked him 3 times remember that while we were dating and asked him before any of this happened .. he would look at me in the eyes and say no they never did and she wasn’t his type and he would never put his hands on her like that and he swore to his words. believed him, I told him I hate liars and I find it so immature to lie and he knew that but he continued, she told me they did do things and they did have sex and she took his virginity in high school, he’s 22, they last had sex and a thing when he was 20, I’m not mad that they did anything, I’m sad and confused because why would you continue to lie to me when you knew it hurt and I needed answers , because I’m not a jealous type of girl I have instincts . it’s just he didn’t tell me the truth when I asked about it , that hurt more and hearing it from some random girl that was his friend long ago , and how they were “exclusive” he never had a girlfriend before and I’m his first and even met his family . But that’s besides the point , the point is he lied to me numerous times and he said it was to not hurt me but it hurts 10x more hearing it from this girl I don’t like and never will like or be mutual with ...

I don’t know how to take this I’m just utterly confused and hurt by all of this , and we live together as well for awhile and it’s hard to just get space and let the problem settle when I keep looking at him I see her lips on him and their bodies together , I’m 18 and he’s 22, this girl is also his age so it’s hard dealing with all of this at such a young age and he said it was immature of me to text her and I guess it was my high school drama side that came out . I don’t know how to heal from this or even know what to do.