Complex sentence: They get married and are deeply in love-their love expressed by absolute sarcastic remarks of each other-they rise to become phenomenal successes in their own fields-becoming Professors and teaching chairs of Oxford in English Literature-receiving knighthoods.
Split into simpler sentences: They get married and are deeply in love, their love expressed by sarcastic remarks. They rise to become phenomenal successes in their own fields, becoming professors and teaching chairs of Oxford in English Literature, and receiving knighthoods.