"Why are you so happy all the time?" he asked despondently, "I thought sad was happy for deep people?" "That's stupid!" she replied, "That's like digging a deep whole for nothing. No, deep people are like gold diggers. We appreciate the dark depths of the world, so we can bring the gold and diamonds back out into the light, to appreciate their shine. We find the joy in the depths of the earth. That's what deep people do."