Wang Cuihua's Achilles' heel is her "deceased husband". Yu Jingting takes advantage of this, and with a little coaxing, she believes him.
If it's her "deceased husband" visiting her in a dream and telling her not to trade goods, then she'd rather believe it than ignore it. So she decides to stop doing business.
Yu Jingting helped Suizi to fudge this awkward situation. Suizi then pulls him into the room to whisper something.
"How are you going to explain this to mum once we find dad?"
Yu Jingting's father is still alive, after all. The whole "dream visit" thing is bound to be exposed sooner or later.
"Once we find him, I'll simply tell mom that being superstitious is not good. Won't she serve as a negative example?"
What a loyal son indeed.
Suizi is at a loss for words.
"Ah, I can already imagine getting a good beating from dad once we find him..." Yu Jingting suddenly appeared "gloomy and sorrowful".
Suizi felt both heartbroken and guilty seeing this.