Complex sentence: Lynne finds Seymour in the flat and tells Seymour Angie won't be coming back, and reveals that Angie takes drugs, and is going to Rankin House temporarily, a rehabilitation center nearby, then Lakeview, another center.
Split into simpler sentences: Lynne finds Seymour in the flat and tells Seymour Angie won't be coming back, and reveals that Angie takes drugs. Angie is going to Rankin House temporarily, a rehabilitation center nearby, then Lakeview, another center.