You were Sherlock's roommate, you lived with him a few months ago but you already knew each other very well, he even considered you as his friend and was very fond of you.

One day you arrive late from work and you see him sitting in his black leather chair with his violin on his shoulder, he played the violin terribly; It was obvious that he was stressed or angry about something but when he saw you enter, his gaze changed to one of affection and he smiled at you with that small, tender smile of his

"Finally you came"