I was very influenced by the musicals and romantic comedies of the 1930s. I admired Gene Harlow and such which probably explains why since the end of my marriage I've dated nothing but a succession of blondes.
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.
