Jealousy as a story that needs a narrator — Iago supplies the plot, Othello supplies the conviction.
“O, beware, my lord, of jealousy”
Why it mattersIago almost never lies. He asks questions and lets Othello fill them in, which is why the play still feels like an experiment in suggestion.
Jealousy as the tax on an affair: Vronsky is jealous of a past he cannot audit, Anna of a future she cannot secure.
“Happy families are all alike”
Why it mattersTolstoy makes jealousy social before it is personal — the lovers are watched, and the watching gets inside them.
Jealousy and love as the same weather system, where possession of the other person is the only proof of self.
“His and mine are the same”
Why it mattersCatherine and Heathcliff are jealous of each other's absence from the other's life. Brontë makes jealousy metaphysical rather than romantic.
The jealousy of class: Gatsby is not jealous of Tom's wife so much as envious of having been there first.
“Can't repeat the past? Of course you can!”
Why it mattersFitzgerald's jealousy is temporal. Gatsby wants to rewrite the years he was not present, which is why Daisy's voice is described as full of money.