He feels the terrible urgency of aging, a foreboding, a sense of something left unaccomplished which constantly claws at his thoughts when he should be enjoying what life he has left. It's a cautioning that the time allotted him to find an answer, to seek fulfillment, is escaping him. What has he done with his life to merit existence on this orb, to warrant another sunrise, another soft rainfall? Such questions go without answer.