Xiao Ya's medical treatment could not be interrupted, and Su Chixi had to stay with her girlfriend to treat her throat rather than accompany Wei Huojin for her birthday, so she asked Wei You to deliver the gift instead.
Wei You had planned to take a direct flight to Jiangnan, but unfortunately the weather refused to cooperate, bringing rain and snow that made landing in Jiangnan inconvenient.
She could have forced the landing if she really wanted to, but there was no need to make things difficult for the working stiffs having to process paperwork in the dead of winter.
Chapter 167