2

Boone notes that he and Locke have been staring at the hatch for 2 days.

Sayid notes that a normal magnetic anomaly would explain a compass variance of 2 or 3 degrees.

Charlie is in week 2 of heroin withdrawal.

10

Boone was 10 years old when his mother married Shannon's father.

18

Locke's Michelangelo story involves an 18 foot block of marble.