What is the worst experience with a stranger

The pattern formed by the rhyme at the end of each line is called repetition allusion meter rhyme scheme

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.

Which aspect of anse’s narration as i lay dying most clearly makes him an unreliable narrator?