Well, if she starts to become more distant emotionally. She may avoid conversations that were normal before, like not wanting to talk about future plans together. Also, if she starts to pick fights for no real reason, it could be a sign she's trying to create distance as a cover for her cheating. And if she has new male friends that she's very secretive about, that's definitely something to be suspicious of.
If she's constantly cancelling plans with you at the last minute. Say you had a dinner date planned for weeks and suddenly she says she can't make it because of some flimsy excuse. Or if she has unexplained expenses. Maybe there are hotel bills or gifts for someone else that she's trying to hide. And her social media activity can also give clues. If she's deleting messages or blocking you from seeing her posts all of a sudden, it could be because she's hiding something from you.
Chapter 220 is the strongest chapter-level answer because it starts from I know everyone has many questions, and I'm here to answer them one by... and follows through on However, Su Yinwan and Shang Shaojing weren't particularly attentive to....
The best chapter pointer here is Chapter 204, "Establishing Authority". It opens with Su Yinwan didn't move, but Director Qian turned around, ran to the... and closes on Jiang Li immediately met their gaze, her icy and indifferent look....
If you want the clearest chapter reference, go to Chapter 206. Early on, Five minutes later, Xingxing led Ah Fu out of the room by the hand.; later, the chapter leans on Ah Fu had completely changed from his previous mischievous demeanor,....
The best chapter pointer here is Chapter 202, "Jiang Li Official Announcement?!". It opens with Jiang Li couldn't believe it, "Just to take a picture?" "Yes, just to take... and closes on Give me the card." She stretched out her hand expressionlessly..
If you want the clearest chapter reference, go to Chapter 192. Early on, Jiang Shixu had never imagined that Jiang Cheng, who had been so arrogant...; later, the chapter leans on On the other end of the phone, Jiang Li was also silent for a moment....
The best chapter pointer here is Chapter 222, "Oh, Miss Jiang Has Drawn It". It opens with How come they're even live streaming in a reality show?! and closes on She was certain and sure that she saw scheming in them..
If you want the clearest chapter reference, go to Chapter 211. Early on, Advanced Repair was even more outrageous, costing a whole 30 points.; later, the chapter leans on Not to mention the 50 points for Supreme Repair..
If you want the clearest chapter reference, go to Chapter 207. Early on, After finishing, Sister-in-law Lan quickly took out the Good Evaluation...; later, the chapter leans on Su Yinwan didn't feel anything amiss and shyly lowered her head, fully....
If you want the clearest chapter reference, go to Chapter 238. Early on, Jiang Li was actually first on all three leaderboards?!; later, the chapter leans on Could it really be that outrageous?!.
A practical answer is Chapter 230, because it turns the idea into a concrete scene. The chapter opens with Shang Shaojing's expression wasn't looking too good either., adds pressure through Is this how you treat my daughter?!, and ends on If he knew that your stepmother was secretly prompting you.