Can someone please help me figure out if what i’m feeling is insecurity, resentment, trauma or anything else?

hi guys, i know a lot of you that are going to comment are not therapist, i, at this very moment in my life can’t afford to see one so i’m coming on here hoping one of you can help me figure out what i’m feeling. my boyfriend and i have been together for 9 years, we’ve had a lot of ups and downs. so a lot of our arguments are because of him liking girls pictures on instagram, DMing a couple of them telling them they are gorgeous, talking to a girl on facebook, saving girls bikini pictures or butt pictures on his phone. he will tell me he’s not doing any of it when i asked and when i search his phone, i find him liking girls pictures, saving them. after years of this, he finally stopped because he got kicked out of instagram. i searched through facebook the other day and i found that he liked another butt picture this year i’m February. i was livid, i asked and his excuse was it was a mistake. he then unfollowed her and told me that i was more important and he didn’t even remember doing it. i said it “you will find another butt picture and like it” so the day goes on and we see each other and another fight occurs. in my head i’m thinking “this guy is not being faithful if he’s liking girls pictures” so i was in a middle of saying something and instead of the original sentence, i said “this is why i can’t be faithful” everything went downhill from there. he asked why i said that and i said it was a mistake and i’ll never cheat on him. he didn’t believe that answer and continued to bring it up. i was sick of it and stopped responding, he didn’t like it. he then said “we are a mistake, give me the ring back” and told me to leave his house. also he loves to drink beer with his friends, he will a lot of the times choose his friends over me. i hate that so i argue about that also. we also don’t go out on dates, we don’t go on adventures, nothing. i argue that he doesn’t take me out anywhere. what do you think i am feeling towards him?
Can someone please help me figure out if what i’m feeling is insecurity, resentment, trauma or anything else?
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