So many possibility because they only show mom and son scenesand main scene is why she got a dream of Lu Xiao…
The only reason I can think of is that lu xiao died in the son's timeline and the fl was forced by her father to marry another guy, who did not treat her well . In the end, It's cdrama they won't show one of the main leads in a negative light which makes it very clear that her future husband was not lu xiao.
The son will probably cease to exist at the end because he changed the past and let his mother marry another guy who is not his actual father. The summary tells lu xiao is his father but I think the son is lying
Do you honestly expect a person who has no interest in programming and only took the computer science course because of her parents decision compete against a person who does nothing but programming day and life?
As for your question, her skills does get better in the second half of the show
As for your question, her skills does get better in the second half of the show