Explain what nick means when he says suddenly i guessed the truth?

Nick's sudden realization of the truth refers to the moment in the book "The Great Gatsby" when he finally understands the underlying motivation behind Jay Gatsby's pursuit of Daisy Buchanan. Gatsby has always idealized Daisy and believed that he could recapture the past and ultimately be with her, despite the fact that she is married to Tom Buchanan.

When Nick says that he suddenly guessed the truth, he is referring to the moment when he realizes that Gatsby's dream is fundamentally based on a delusion and an unattainable ideal. He comprehends that Gatsby has been chasing an illusion and that his obsession with Daisy is built upon romanticized memories rather than a genuine understanding of her as a person.

This realization also sheds light on Gatsby's tragic background, his longing for a sense of belonging, and the self-destructive path he has chosen. Nick's recognition of the truth highlights the central theme of the book- the futility of chasing unrealizable dreams and the destructive consequences that result from living in the past.