Gu Chengyu said this because once he recognizes him immediately, he would have to bring him back to the mansion. This person's purpose is unknown, and hastily bringing him back is indeed inappropriate. It's better to observe for a while, and there's no rush to acknowledge kinship.
The question left Gu Changbai stunned. He searched his belongings and finally discovered he didn't have the travel permit with him, unable to prove he was indeed Gu Changbai.
"I have the travel permit, just not with me right now. It's at the inn. Wait for me to go back and bring it for you to see." As he spoke, Gu Changbai was about to turn around and head back to retrieve the travel permit.
"Hold on! Even if you have the travel permit, who knows where you got it from? You say you are my Second Uncle, but my Second Uncle went to Jiangnan to enjoy life. And you..."
Gu Chengyu looked Gu Changbai up and down, the implication being why did he appear so downtrodden?
