My Brother Told Me To Stay Away From His Friends

So guys, I’ve been dating my cousin brother’s friend for a year now. We base in PH city. Before we started dating, he refused us dating because of my brother (his friend), but then I insisted. On the other hand, my brother told me to stay off from all his friends but I didn’t also listen because I liked him (my boyfriend). The problem now is that my brother still doesn’t know what’s going on and my boyfriend wants to break up with me if I don’t tell my brother we are dating. I really like this boy because he’s always there for me and he does a whole lot of things for me. What should I do guys?

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