C1350
He looked at Qiao Man nervously. When Old Lady Gu didn't say that he was young, Gu Ziming was not aware of this problem.
When the old lady mentioned it, he suddenly realised that the age difference between him and Qiao Man should be really huge.
"I guessed." Qiao Man looked at Gu Ziming strangely, not knowing why he was frowning.
"Oh." Gu Ziming replied, "Man Man