Complex sentence: Carly eventually agrees to go to the gym with Zeke, who begins to turn her on by grabbing her hips while exercising, after hanging out for a while, they end up having sex and begin a sexual relationship.
Split into simpler sentences: Carly eventually agrees to go to the gym with Zeke, who begins to turn her on by grabbing her hips while exercising. After hanging out for a while, they end up having sex and begin a sexual relationship.