It was a wonderful movie. Great story line and cast. Youngkwang and Boyoung really did a great job for their roles. The ending was heartbreaking but yes, sometimes we need to sacrifice ourselves for our beloved one. I feel really bad for Youngkwang because he was so loyal to Boyoung. But, he is a great man; he believed Boyoung happiness is the most important things. He would do anything just to see Boyoung happy. Overall, this movie was wonderful and focusing on reality that are related to many of us. Love it.