Even though the characters of the story went through many struggles, it gave a sense of courage when the characters never forgot their past and appreciated how far they have gone to get to the level they are on. The main lead in the story gave a message to many people that with a goal there's many circumstances, and to have the confidence to continue experiencing what you have been through shows your determination in many aspects. From the example in the drama, the main lead would cry because he lost someone he cared about. If you feel guilty of something in the past and you try your best to make up for it, no one will blame you. Everyone has a problem to solve on their own. You can't avoid your own differences and don't try escape. If you don't overcome it will follow you forever. This is a lifelong message to the universe, and I would really encourage many people to watch this drama.