Zhi Xiao kinda is an extrovert that is nice to everyone while Gu Wei is an introvert that doesn't really open up so that's why he have higher expectations from their relation than her (grumpy&sunshine)
In the novel, everything that happened was just a dream but it was sort of an amplification of things that happened…
He breaks up with her in ep 23 since he’s mad that she dictated everything that she wanted to happen in her journal and never told him the truth Then, in ep 24, she wake up from the coma
Then, in ep 24, she wake up from the coma