21M boyfriend describes me (18F) as having a ‘flat face’ and ‘wide-set eyes’ in a way that feels odd rather than affectionate. Is this normal?

So me 18F, has been feeling a bit insecure with how my boyfriend 21M describes my features. He would often say how I have a ‘flat face’ or compare me to those cats with wide spaced eyes as looking as my own. Thing is, I don’t even have those features? I’ve asked around to just confirm if I do and if I’m being delusional to think not, but everyone says otherwise. I don’t know if it’s him trying to put me down, I mean whenever I do show a picture of us to my peers they always say that I can do better and he knows this. He also keeps calling me ‘black’ and ‘chocolate’ when I’m neither of those things I’m just slightly tanned.
Am I going crazy? Am I looking into it too much? It’s just “flat face” and “wide set eyes” often have negative connotations, but I literally don’t have those features. Is this a form of negging?
Any advice would be great and what should I do moving forwards