What story does Crane-Man tell Tree-Ear about why he didn’t go to the temple? What does this story show about Crane-Man, and why does he decide to share it with Tree-ear

Book- A single shard

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.