"Nabokov was fascinated by doubles, and his work is full of them — mirrors, twins, reflections, chance resemblances. Sergei was his brother’s double, a “shadow

"Nabokov was fascinated by doubles, and his work is full of them — mirrors, twins, reflections, chance resemblances. Sergei was his brother’s double, a “shadow in the background,” as Nabokov put it." I need to re-read Lolita in the light of this. I know that the book mocks the supposed connections between an author's experience and his work but I've always felt the Humbert-Quilty relationship to be a deeply personal one that the author drew on from somewhere.