Let's talk about Wu Qingchuan's dialogue because this man says absolutely nothing and yet communicates everything.
His entire contribution to the scene where he brings Shen Niao food:
'Come in and close the door. There are mosquitoes in the evening.'
That's it. That's his line. He's standing there with lunch boxes, clearly went to the trouble of bringing her food, and his most expressive sentence is about mosquito prevention. And yet—the narration tells us he placed the chopsticks 'neatly and perfectly straight, just like the man himself.' The man is a walking metaphor for his own personality.
Shen Niao's voice is so much more expressive. 'I just woke up,' she says with a smile, 'Sorry for making you wait.' Casual, warm, unbothered. She hooks a stool toward herself with her foot. She wipes the chopsticks clean without being asked. She's comfortable in her own skin in a way that seems to completely confuse Wu Qingchuan.
Zhang Cuihua's dialogue is pure warmth. 'How pretty! Such a graceful figure. A young, beautiful girl should dress herself up. Like a blooming flower.' This woman is just... so happy to be alive and talking to a young person. Her dialogue feels genuine, not forced. She's not performing kindness, she's just genuinely pleased.
Shen Su's dialogue is where it gets interesting. Her fake tears and 'Chengzu... don't worry. No matter what happens, I'll stay by your side'—you can practically see the calculation behind every word. And then Wu Chengzu's response: 'Su'er... thank you.' The nickname! He calls her Su'er! This man who can't muster more than a sentence about mosquitoes for his actual wife is calling his fake-devoted wife by a tender nickname. The dramatic irony is SO thick I could spread it on toast.
The narrative voice itself is also worth praising. It's close third-person, dipping into characters' internal thoughts without ever feeling intrusive. When we get Wu Qingchuan's perspective about Shen Niao's feet, it's handled with this deadpan humor that makes me snort-laugh. The author has a great sense of when to be serious and when to let the situation speak for itself.