AIBU to wonder how much input you have in how your partner dresses and presents themselves?
Do you have none at all? Down to not even expressing preferences (yes/no stubble, nice shirt, where are those shoes?) do you compliment what you like, ignore what you don't. Do you even notice? Like if they totally let themselves go at what point would you say something or they maybe went in some weird direction...
Or are you quite active in encouraging them to wear what they like, assuming they do too. Are they quite happy to accept suggestions, do you buy them clothes, do you buy ALL their clothes?!
And vice versa I suppose!