Complex sentence: Early in the novel, he leaves his wife and children and goes to Paris, living a destitute but defiantly content life there as an artist (specifically a painter), lodging in run-down hotels and falling prey to both illness and hunger.
Split into simpler sentences: Early in the novel, he leaves his wife and children and goes to Paris. He lives a destitute but defiantly content life there as an artist (specifically a painter), lodging in run-down hotels and falling prey to both illness and hunger.