" Maybe I can quit drinking one of these days. They all say that, don't they?"
"It takes about three years."
"Three years?" He looked shocked. "Usually it does. It's a different world. You have to get used to a paler set of colors, a quieter lot of sounds. You have to allow for relapses. All the people you used to know well will get to be just a little strange. You won't even like most of them, and they won't like you too well. "

― Raymond Chandler , The Long Goodbye (Philip Marlowe, #6)