When a woman gives birth to a child, the child needs to be able to digest the mother's milk; but when this child is old enough to begin to eat other foods, there is some switching off of this ability to consume milk.
“Driving a motorcycle is like flying. All your senses are alive. When I ride through Beverly Hills in the early morning, and all the sprinklers have turned off, the scents that wash over me are just heavenly. Being House is like flying, too. You're free of the gravity of what people think.”