John had this ‘wonderful’ idea to write songs for their partners for Christmas and Sherlock of course with a idea in mind agreed..of course John did a wonderful song for Mary then it was Sherlock’s turn to do his song for you, he held a small guitar before starting

Sherlock:,”i love you…bitch.”he said with one strum and you were holding back a laugh,Sherlock now smiling at you:,”I ain’t ever gonna stop loving you ..bitch.”he finished with one last strum and you started laughing while John looked at him in disbelief