rababco's avatar
Well, he loves both John and Mary very much so he'd be devastated by both their deaths. I'm not sure how Sherlock would react exactly but it wouldn't surprise me if he held Mary for awhile and is now he's holding John. After all, he's alone and no one's there to him in his weakest moment. He'd probably think it's his fault that they died because Moriarty probably killed them to hurt Sherlock because he knows how much he loves them. His story would be more Sirius (even though his personality is more like Snape's), his two best friends are murdered and he's their daughter's godfather. Hopefully, he won't be accused for being responsible for their deaths and can raise Sherlie (she was named after Sherlock).