" A typical city dog is neutered and doesn’t have much interest in reproducing. However, that’s not true of its owner, who will use the dog as an integral part of the pickup process. (Humans are the only animals that use other animals to facilitate mating. Have you ever seen a monkey use a squirrel to pick up another monkey?) "

― , Bike Snob: Systematically Mercilessly Realigning the World of Cycling