It's not that Elder Xi is overthinking; the emotional entanglements between Feng Lu from the Feng family and the young man from the Xiao family in earlier years are known by quite a few in the compound.
And Min Rui does indeed resemble the young man from the Xiao family, and Feng Lu and Luo Yanqing were once married, so Elder Xi feels there's an eighty percent chance that Min Rui's background is questionable.
The Feng family.
"Auntie Fang, I have something to ask you."
"Coincidentally, I also have something to ask you!"
Returning from chatting outside, Fang Su pushed open Feng Lu's bedroom door, and upon seeing her, Feng Lu immediately spoke without expecting Fang Su to speak at the same time.
The two were briefly stunned, then Fang Su stepped forward and sat on Feng Lu's bedside: "Feel free to ask anything you want; if Auntie knows, she'll definitely tell you."
