And just another show of what an amazing actor Benedict is that he can show the layered emotions like this. This is a really great scene on both of their behalves, but Benedict sure does bring it all together!
Sherlock: Season Episode Study in Pink"If you have to look along the shaft of an arrow from the wrong end, if a man has you entirely at his mercy, then hope like hell that man is an evil man." —Sherlock + "Men at Arms" by Terry Pratchett. (artist unknown)