Being nerdy just means being passionate about something including everyone - the coolest people on Earth are passionate and therefore nerdy about something whatever it is whether it's sports or gaming or technology or fashion or beauty or food or whatever.
We're learning how important it is both to preserve sibling relationships if they work and repair them if they're broken. We're also learning a lot about nonliteral siblings - stepsiblings half-siblings - and the surprising power they can have.
