Life has never been fond of repetition. Nature itself seems to resist it. No two leaves are exactly alike, no two fingerprints are identical, and even no two sunsets unfold in precisely the same way, nor does the sky ever paint itself twice in quite the same colors. The same is true of siblings who grow up beneath the same roof, gather around the same table and receive the same upbringing. They still differ in temperament, in the way they think, in how they respond to the world and even in the d
