When I was three, my world was changed irrevocably. I had been a very happy child, by all accounts, albeit a little precocious and sometimes serious for my age. I loved art, music. I used to stand next to my dad while he played guitar, and leaned my head on his knee to hear the vibrations of the music. I watched my mother sketch life from the nib of a pencil. But no one was as life-changing for me as my sister. Llana was born, and everything came into focus. I remember virtually nothing before she came into the world, this little blond miracle. Though now she’s an elegant woman,…