Reddit user GodIsMerciful recently underwent a bone marrow transplant due to leukemia. While he was undergoing treatment, Taylor Swift stopped by the hospital to surprise patients. During her visit, she dropped by his room to say hello. When she noticed the keyboard in his room, she asked him to play a song for her. He decided to play a song he had recently started working on which was "Someone Like You," by Adele. She said to him she would sing along the parts that she knew. He was going through something terrible, but this boy was able to experience something...