"he tells me that we are free to see other people. And he was already seeing other pplz but the first month"
Perhaps you can try and make it more intimate and make it be less of an open relationship
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"He never answers his phone or text when am with him. I always answer mine, and he says he doesn't trust me."
Don't quite get that, if it was really open why would he care? . . . this might be a sign of something
You post, you ask questions, you give facts --> I reply, I give quotations, I have opinions