EASTER EGGS #5 and 6 - Jungle Love
We've already waxed poetic about the underlying love story in Halo 3. But the gooey mushiness isn't exclusive to Master Chief and Cortana. Sprinkled throughout the dense foliage of the first mission, Sierra 117, are carved hearts with initials and dates. Clearly, the overworked developers were feeling a tad guilty about their lonely wives and girlfriends at home.