People came from far places just to have fun in gatsby's house. in the weekends the house of gatsby was decorated like a circus. at that moment of fun gatsby was hardly seen because everyone yearned to see him.
It's historical accuracy with fiction. They aren't always written in first person, that'd make it more fictitious than realistic. However no autobiography or memoir will be down to the word exact. It's just not possible unless you record every single thing that happened every single day
It creates surprise by allowing readers to think that the character just to find out the character is not who the seem to be.
Hope this helps this the best why I could explain
Here is one option:
His and Susie's neighbors were standing behind them in the long line at the seafood restaurant
