Gatsby is nervous when meeting Daisy in The Great Gatsby because this moment is the culmination of his long-held dreams and efforts. Gatsby has spent years reinventing himself and amassing wealth with the sole purpose of winning Daisy back. His nervousness stems from the fear that reality might not live up to his idealized vision of their reunion.
Gatsby’s love for Daisy is deeply tied to his aspirations and the image he has created of her. He has built up this moment in his mind for so long that the pressure of it actually happening is overwhelming. Additionally, Gatsby is aware of the social and personal changes that have occurred since they last met, which adds to his anxiety. He is unsure if Daisy still feels the same way about him and if she can accept the new identity he has crafted.
This nervousness is a reflection of Gatsby’s vulnerability and the depth of his feelings for Daisy. It also highlights the theme of the American Dream and the idea that reality often falls short of our dreams and expectations.