Marcel Proust said this quote
“ He could see her, but dared not remain for fear of annoying her by seeming to be spying upon the pleasures which she tasted in other company, pleasures which - while he drove home in utter loneliness, and went to bed, as anxiously as I myself was to go to bed, some years later, on the evenings when he came to dine with us at Combray - seemed illimitable to him since he had not been able to see their end. ”