Would you change who you are?

I use to think that my boyfriend liked me for who I am, but then he started making me feel like I’m different and being different is not okay apparently. He use to tell me that he liked me because I am not like other girls, and I don’t dress like most girls these day. Recently, he started asking me why I look the way I do, and how I am just “not sexy.” We had a child together and that’s something he shouldn’t have said anyways. That really offended me. He’s been suggesting I wear things that I feel are too showy for me, but he said that he likes how girls are styling themselves like that. He also told me how there’s this one girl he finds cute because of the way she says “okur.” That kind of made me jealous and start to wonder if I should start being like other girls. It made me think maybe that’s why he never brings me around his friends even though he always hangs around a group of girls and guys. I hate feeling the way I do now. Growing up, I always struggled with fitting in, but now my boyfriend is basically wanting me to do everything I can to fit in. Would you change for someone else?