Sibling rivalry runs deep in the human soul – but the tale of the prodigal son has something to teach us all | Justine Toh

There's a reason we keep returning to stories where insecurity abounds, the anger is bitter, the shame an enveloping storm

Prince William and Prince Harry. Kim and Kourtney Kardashian. Liam and Noel Gallagher. Cain and Abel. Same womb, lifelong rivals. When siblings clash, worlds hang in the balance. Who is in the right and who is in the wrong? (A very elder sibling question to pose, it turns out). More importantly, who is the favourite?

Both questions miss the point, I've learned, and from a surprising source: the Bible.