everything about this drama is soo good the acting and the music and I like how the drama teach a lot of things about ER and stuff AND I learnt a lot from this drama and this drama make you laugh and cry and everything JUST A MASTERPIECE I WILL NOT FORGOT THE COUPLE AND EVERYTHING SEASON 1 TO SEASON 3 IS SOO GOOD I RECOMMEND WATCHING THIS AND THE FRIENDSHIP IN THIS DRAMA IS JUST EVERYTHING 👍👍👍👍 I recommend this drama to anyone who want a heartwarming drama 👍👍👍👍👍👍👍