This one was a tough one to watch. In the beginning, some of the characters are so irritating that I was disappointed to find that they would be a love interest or, still in the story 4 episodes later. I thought, casting wise, this group was a bit of a mess. Maybe, closer to reality? But, I just couldn't see the two leads together - at all. She was so mean and so unforgiving. He went out of his way to continue to patronize her business, replace the phone, etc. and she still couldn't let anything go. Who cares if we see a character show regret if they don't follow through? A character should not be rewarded for being a thorn in someone's side.

As usual - some stellar performances - the only reason I watched a portion of every episode. , Ji Dong-hee (Shin Jae-ha) was brilliant. To change his personality on a dime like that - perfect. I could understand why he chose to die in the end. All the actors/actresses for the high school characters were perfect. Lee Chae-Min's breakdown while taking the exam was perfection - you really felt what he was going through.

Jeon Do-yeon's Nam Haeng-soon and Jung Kyung-ho's Choi Chi-yeol - did not work for me. I could not get to the point of accepting that they were suitable for each other as a couple. I could see them helping each other out in their own ways but, it would have been nicer to see them end up with other people. The late addition of the true mother was a waste of time on everyone's part. It wasn't even needed - especially, since she had zero redeeming qualities. Jae-Woo(Oh Eui-Sik) - eh - did not like that his issues all pertained to what the story needed to keep moving. Writer's convenience = lazy.

Also, regardless if it is life-like or, what - just because characters are together in a scene - you don't have to fill every waking moment with their nonstop conversation. I got to the point every time certain characters showed up - I knew I could fast forward through their whole time and not miss a single thing.

Really hated how hard the writers worked at making the whole cast have a happy, fairytale existence in the end. Villain? Takes his own life. Leads? Happy successful life. Teens? Exciting happy college life - not a speck or, mention of therapy or, how they healed anywhere. Parent's - awful to the core - ruined people's lives? All forgiven. Ruined and nearly put your own children in the hospital or, the morgue? All forgiven. Ruined marriages because you focused on all the wrong things? No worries.

Thank goodness for the fast forward button.