The figure of speech I'd like to think is hyperbole
Gatsby is desperately searching for someone who knows Daisy. When he finds out from Jordan Baker that Nick Carraway is Daisy cousin, Gatsby latches on to him in an effort to get Daisy back. Everything he does is for Daisy.
Try to chew gum. I know it sounds weird but honestly it really helps.
"Repeated pattern of figures."
