Complex sentence: Elsie adopted an overprotective approach to raising her son that bordered on fixation and "Big Ritchie", as Starr's father became known, lost interest in his family, choosing instead to spend long hours drinking and dancing in pubs, sometimes for several consecutive days.
Split into simpler sentences: Elsie adopted an overprotective approach to raising her son that bordered on fixation. Soon after, "Big Ritchie", as Starkey's father became known, lost interest in his family, choosing instead to spend long hours drinking and dancing in pubs, sometimes for several consecutive days.