C615 Whistling

"Second Grandpa, I have another question for you. Why was that old grandpa smiling when he walked in?" Li Su asked, "This doesn't seem to be a good thing."

"Everyone knows it's not a good thing, but after so many years of observation, everyone who wants to leave has this kind of expression on their faces. After asking them, they all shook their heads, indicating that they can't say anything