Well, often in these novels, there's a contrast in life experiences. The older character has usually been through more, like in 'The Notebook' where Noah has seen more of life before he meets Allie. Another characteristic is the sense of mentorship or guidance. The older character might guide the younger one, like Mr. Rochester does with Jane in 'Jane Eyre' to some extent. And there's usually a strong physical and emotional attraction that overcomes the age gap, as seen in 'Outlander' between Claire and Jamie.
Chapter 911, "You Have Three Children?", is the clearest early answer because it turns Children's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Bufan stood still, with his eyebrows furrowed, as if he was...
Chapter 457, ""Back Against the Wall", is the clearest early answer because it turns Mr's situation into a concrete plot event. It opens with Five minutes later, he stared at Yu Li with his twitching mouth... and closes on How could he know what this mad fortune-teller was up to?.
Chapter 561, "How Can This Young Master Use His Hands to Kill Fish?", is the clearest early answer because the violence around Jiang Cheng becomes final instead of hypothetical.
Chapter 520, "Was Zheng Xun Replaced?!", is the clearest early answer because it turns Replaced's situation into a concrete plot event. A useful checkpoint is the way the scene starts with What did it mean that Jin Siyue had already given him all the shares?!
Chapter 545, "Kiss Me", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Truth or dare, I still choose dare!" He just didn't believe it, Jiang...
Chapter 552, "Branches, 20 Points Each, No More", is the clearest early answer because it turns Points Each's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Cheng smelled the scent and crawled out of the shed, but before...
Chapter 577, "Cat and Mouse Game", is the clearest early answer because it turns Everyone's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Chen Manman also agreed with what Luo Xuan said. and follows through with No, we can't eliminate them right away..
Chapter 613, "When a Whale Falls, All Life Thrives", is the clearest early answer because it turns Shang Zhenhe's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hearing He Wen's words, Shen Lan was so excited she nearly sprayed...
Chapter 928, "Only Earned a Few Billion", is the clearest early answer because it turns Few Billion Zhao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zhao Lang has been away for a month.
Chapter 838, "Just Call Me Grandpa", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Gu Qiang's expression was subtle as well.