The quote reflects a moment of confusion where the speaker mistakenly associates an old woman with a trout river, which could signify a deeper connection to nature or a metaphor for memory and perception. By apologizing, the speaker acknowledges this mix-up, revealing a moment of humility and self-awareness.
This incident suggests the complexities of human relationships and how easily our memories can intertwine with elements of the environment. Richard Brautigan uses this imagery to express how personal experiences can lead to unexpected associations, prompting reflection on how we relate to others and the world around us.