Complex sentence: While living in San Francisco, Loos followed her dissolute alcoholic father as they explored San Francisco's underbelly; together they would sit on the pier, fishing and making friends with the natives, feeding into her lifelong fascination with lowlifes and loose women.
Split into simpler sentences: While living in San Francisco, Loos followed her dissolute alcoholic father as they explored the city's underbelly. Together they would sit on the pier, fishing and making friends with the locals, feeding into Loos' lifelong fascination with lowlifes and loose women.