The lover`s discourse was of an extreme solitude. The solitude was extreme because it wasn`t physical. It was extreme because you felt it while in the company of the person you loved. It was extreme because it was in your head, the most solitary of places.

To start with, look at all the books.

If you think of even Tolstoy or a book like 'Anna Karenina,' you go from character to character, and each section is from the third person perspective of a different character, so you get to see the whole world a little more kaleidoscopically that way. That's traditional narrative manner, and I haven't done a book like that before, but I enjoyed it.

Historical fact: People stopped being people in 1913. That was the year Henry Ford put his cars on rollers and made his workers adopt the speed of the assembly line. At first, workers rebelled. They quit in droves, unable to accustom their bodies to the new pace of the age. Since then, however, the adaptation has been passed down: we've all inherited it to some degree, so that we plug right into joy-sticks and remotes, to repetitive motions of a hundred kinds.

That was when Leonard realized something crucial about depression. The smarter you were, the worse it was. The sharper your brain, the more it cut you up.

The window gave onto a view of dove-gray roofs and balconies, each one containing the same cracked flowerpot and sleeping feline. It was as if the entire city of Paris had agreed to abide by a single understated taste. Each neighbor was doing his or her own to keep up standards, which was difficult because the French ideal wasn't clearly delineated like the neatness and greenness of American lawns, but more of a picturesque disrepair. It took courage to let things fall apart so beautifully.

He had the feeling that there was something physically behind his eyes, blocking the light.