If you didn't watch this drama you can start it right now without thinking because this drama is impeccable. I watched this drama almost 4 years ago and while i was watching an another drama i remember some scenes from it's okay that's love and after watching all my favorite scenes all over again i am telling you, this drama is perfection. Their chemistry and their acting was out of this world, not just the leads but every character has its own unique story-line and great acting skills, i swear every one of them made me cry at least once. Also, not just OST but song choices were perfect too both for the characters and scenes.