As I’m asking out of curiousity! Mine just gained the vain street quirk because I kept having my sim practice acting and charisma in the mirror. I eventually got rid of that one because being tense 24...
One has Refined Palate, her husband has Emotion Bomb because his aunt died and he was very sad for too long, apparently. But I don't mind. The quirks are fun to play so far. :)