If you suspect she's cheating, you could try talking to her directly. Just be honest about your concerns like in many cheating girlfriend stories. Maybe she has a reasonable explanation.
You can also look for signs. For example, if she's suddenly very protective of her phone or starts dressing differently, it might be a sign. In some cheating girlfriend stories, these signs were there but ignored. So don't ignore them. But don't jump to conclusions either. You might want to keep an eye on her behavior without being too obvious.
A practical answer is Chapter 235, because it turns the idea into a concrete scene. The chapter opens with Chasing Wind Youth was clearly becoming anxious, and as a result, his..., adds pressure through Don't worry, I will follow you from behind., and ends on Indeed, he had endured many accidents.
If you want the clearest chapter reference, go to Chapter 232. Early on, But soon, she suppressed this strange feeling and slowly began to speak,...; later, the chapter leans on I'm the oldest, so I should get this chance!" "Get lost, I'm the youngest....
Look to Chapter 208 for the clearest answer. It begins with Jiang Yan clicked his tongue, "What's this about money?, keeps building through Do I look like I'm short on cash?" "Then why are you holding out your..., and lands on Seemingly sensing the raging fire in Su Yinwan's heart and feeling....
Chapter 232 is the strongest chapter-level answer because it starts from But soon, she suppressed this strange feeling and slowly began to speak,... and follows through on The moment he saw the information come through, Jiang Li fell silent..
Chapter 173 is the strongest chapter-level answer because it starts from Jiang Li finally rose from her seat. and follows through on Yet Miss Su went out of her way to ask me not to be angry..
Look to Chapter 191 for the clearest answer. It begins with This change made Jiang Cheng extremely uncomfortable., keeps building through It was as if he had been an outsider from the very beginning., and lands on Meanwhile, Jiang Shixu was staring intensely at the fragments on the floor..
A practical answer is Chapter 202, because it turns the idea into a concrete scene. The chapter opens with Jiang Li couldn't believe it, "Just to take a picture?" "Yes, just to take..., adds pressure through That scream immediately woke up the newly asleep An An too., and ends on Give me the.
A practical answer is Chapter 246, because it turns the idea into a concrete scene. The chapter opens with At that moment, not only Su Yinwan but also Shang Shaojing's complexion..., adds pressure through Heh, I think he can't last even a second, he'll be making a fuss to leave..., and ends on.
Chapter 233 is the strongest chapter-level answer because it starts from [What the hell, what's this about life span ending?? and follows through on After all, a real big shot's birthdate wouldn't be so twisted, could the....
The best chapter pointer here is Chapter 206, "Miss Su, Thank You So Much!". It opens with Five minutes later, Xingxing led Ah Fu out of the room by the hand. and closes on He was the oldest of several siblings and the most understanding of human....