Complex sentence: During her captivity, Juliette develops a romantic relationship with Adam, and we learn that Adam was Juliette's childhood friend that is in love with her and that Adam can touch Juliette without being harmed or killed.
Split into simpler sentences: During her captivity, Juliette develops a romantic relationship with Adam, and we learn that Adam was Juliette's childhood friend, and is in love with her. We also learn that Adam can touch Juliette without being harmed or killed.