HELP TALKING TO MY BF... 😔 (CONFUSED)

I apologize in advance for this being all over the place 😅

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So there has been something off about my relationship with my boyfriend of 3 months...

Ever since his brother broke up with his gf, I feel like his brother is trying to make my boyfriend a single man like him. I just get this vibe that his brother doesn’t like me for some reason. I can’t pin point it but I just get a strong feeling.

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I keep thinking from when I first went over his brothers house with him, we were kinda in a fight & I was silent the whole time so maybe that made things weird. (That was last week)

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SO LAST NIGHT... I asked him randomly if he would let anyone (family) interfere with his relationships & he said probably not ... WTF I just said okay but I knew I should of just told him my thoughts but I’m stupid so I just let it go... but now I’m thinking about this situation & I need to talk to him but I don’t know how.

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AS YOU CAN TELL I’m awful at confrontation & talking in general so asking him that question was a really hard step for me.

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I just want to know if he really wants to be in this relationship with me & grow together & if we can communicate more & not have to hold things in between us.

BTW: this is both our first ever relationship, I’m 20 & he’s 23

Thank you so much for reading all of this lol again I apologize for being all over the place ❤️