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.
Even if I accepted that Jesus - like almost every other prophet on record - was born of a virgin I cannot think that this proves the divinity of his father or the truth of his teachings. The same would be true if I accepted that he had been resurrected.
