I'm somewhat of a newbie to the K-drama scene and this drama made join this platform to write a review.
First things first, the acting was superb. Despite how I feel about the characters and the plots, each actor committed to their roles and executed them quite well in my opinion. Now, as for the storyline itself...holes on holes on holes. Yes, we all know that relationships aren't perfect and people aren't perfect and relationships take work. Sure. But, WJ and Doona's relationship was giving toxicity - poor communication, neglect, feelings of unworthiness, co-dependency, jealousy, selfishness, and just levels of dysfunction. It's one thing to be young and in love, but these two had some personal issues that when combined just would did produce a healthy relationship. When they did spend time apart and supposedly grew, I didn't think they had anything left to stand on besides chemistry (basically lust) because they still barely knew each other. For what it's worth the chemistry between them made for some good TV, but when you really analyze the relationship for what it is, it just doesn't work. The other cast members were awesome and their side stories diversified the plot and kept the series interesting. There were some good comedic elements that made me lol. Overall, I did not regret watching it, but I also thought leaving the ending open was a bit of a cop out after taking the audience along on such a polarized ride.