Personality, compatibility, and a person who will be there for you long term you’ll love deeply and all the qualities that come with that are always far more important on a deep level than merely good looks, don’t get me wrong, but let’s be honest here a partner is a person you’re also going to have sex (and if you’re hetero, potentially make babies with) with so looks are a component of choosing a mate, too. It’s not by far the most important thing, but come on you’re going to see the person every day all the time and sleep with them, so...beauty is at least somewhat important, right? It might also happen to be the very first thing you notice about them, for a variety of reasons including biological ones. I don’t think that’s being superficial at all it’s more just a fact of life. But yes how you look is in your DNA, and how certain people find you attractive or not to a degree is in theirs.