41.   Happiness is a warm machine gun.

42.   Happiness is different around the Yankees, with all the championship banners and the monuments in center field, the echo of history still booming under the eaves.

43.   Happiness is important to me.

44.   Happiness is logging onto your computer in the morning and finding you have no E-mail messages to sort through.

45.   Happiness is merely a transient detonation of neurotransmitters in the right place at the right time.

46.   Happiness is near the center of the homeostatic regime, a state to which the robot aspires.

47.   Happiness is rare for them, and when it does occur, it is short-lived.

48.   Happiness truly is a state of mind.

49.   Happiness was not Andruw Jones.

50.   Happiness is a choice, not a condition, Meg tells him.