My boyfriend says I have changed :(

we have been chatting since as friends July but started dating in August. Lats night he said that I have changed and that our conversations have changed. So I asked him if he isn't feeling me anymore and he said at first he was like omg she is incredible, I am so wow, but now there are many things he doesn't like cause he feels I am now too sensitive and he can't speak his mind without hurting my feelings or ruining the relationship. Its just that he says some pretty offensive things sometime and I call him out on it but he says that he is disappointed because I know him so I should know what he means when he says these things.

i don't see how I have change but I do feel the distance growing. he also said that he is still not interested in anyone else but it seems like I am searching for something bad. :(

I am worried now cause if we are less connected it means there is room for someone to come between us, or we lose out on what could be great.

how do I fix it, what should I do.
My boyfriend says I have changed :(
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