Am I wrong for being somewhat annoyed by my boyfriend's overly affectionate behaviour?

I've been with my boyfriend for a year now. He's wayyyy too romantic and I'm not. He keeps on sending me "cute" couple videos, has said that he wants 4-5 kids with me but will settle on 2( I'm not sure about having children), even has nicknames for us which go like bubu (me) and dudu (him). I'm not overly affectionate like him, I don't really like these couple videos nd stuff, and I absolutely despise the nicknames but don't say anything so as to not hurt him. He accuses me of "not being attracted to him" because I'm not overly romantic, and that other girls are extremely romantic unlike me, but it's not him, I've been like this with my previous boyfriend as well. I've told him this, but ig he forgets it every single time. I've constantly explained to him that I'm naturally like this and have even apologized to him for not being the version of myself he wants me to be. I don't know what to do at this point.

Am I wrong for being somewhat annoyed by my boyfriend's overly affectionate behaviour?
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