Overreacting ?

So I’ve been wanting a breast reduction for a while now. Like a few years, and haven’t gone through with it because obviously it’s pretty expensive. I’ve been telling my boyfriend about it, and he’s always told me that he likes them just the way they are. And not to change them. Etc. Until tonight....so I bought some swimsuits today, and a few of the tops just didn’t fit right, my right is a little bigger than the other (just slightly) and I told him that. And he says....”well maybe you can just get a breast reduction in one of them...to match the other since they’re not proportional” ............excuse me??? Like, what the hell. And then proceeded to tell me I have “grown woman boobs” like....I’m 20. How’s that supposed to make me feel. Ladies, would any of you take offense to that? Or am I overdoing it ?