Complex sentence: He leaves and stays at a homeless men's shelter after a row over her late husband, and another quarrel he has with Weaver and his predatory wife, who's advances he rejects much to her chagrin.
Split into simpler sentences: He leaves and stays at a homeless men's shelter after a row over her late husband. During this time, he has another quarrel with Weaver and his predatory wife, who's advances he rejects much to her chagrin.