72. You have your assistant bring you lunch to avoid two short trips.

73. You walk two blocks to park in the nearest shade so the AC doesn't hurt your mileage when you return.

74. You slow down for green lights because you know they will turn red before you get there.

75. You argue with your spouse about the thermostat setting because of it's effect on your mileage.

76. You get a sick feeling when your mpg drops from 58 to 56.5.

77. You carry a gas can in your car so you can push for a new record tank distance.

78. Old people flip you off for driving too slow.

79. You really think what you drive matters.

80. You have given up at least one hobby to spend more time learning about your car.