My boyfriend isn't letting me breakup?

Okay so here is goes. I have been dating the guy for almost 2.5 years now. And I am really not happy in this relationship. I have conveyed it to him on many occasions, but I end up seeing him cry so just let go of my thoughts and stay with him. Right now I am feeling very frustrated because whenever I talk about taking a break so that I can distance myself from him he just refuses by saying but we were happy 2 days ago. We did this together, why do we need a break. I am tired of explaining that I am not happy. He's just not letting me go. If I block him he just calls texts through other accounts or numbers. I can't share this with my family members because they are strict and they'll be very angry if they get to know I have been dating behind their back.
I am really frustrated right now please help 🙏🏻
My boyfriend isn't letting me breakup?
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