Does forgiveness always equal acceptance?

My brother and I have a strained relationship. He thinks the worst of me and has a different world view than I do. He’s recently said some very hurtful things to me about some personal family topics and seems to be completely nonchalant or indifferent about it. Which he knows only hurts me even more because it’s like he harbors a lot of negativity towards me but doesn’t care enough to let me say how it makes me feel. As someone new to the Bible it makes many statements about loving your brother, which I do. So I am trying to forgive him in my heart, but does that mean I have to accept the negative things he says about me and just move on with life? He claims he wants to have a good relationship with me, but it seems like to do so I have to accept his treatment of me. I can accept that I cannot change him, and I can forgive him, but does that mean I need to subject myself to his negativity and just turn the other cheek?