Watson: But, damn it... how?.. Holmes: There's nothing simpler, my dear Watson. The matter is that this man happens to be... MY BROTHER MYCROFT HOLMES!!!
Holmes: What do you make of it? Watson: You seem to have eyes on the back of your head. Holmes: My dear Watson, if you had read my monograph, you would've known that detectives have sort of... warmth spots on the tips of the ears. So I have no eyes on the back of my head. Mrs. Hudson: He sees your reflection in the coffee pot. Holmes: LOL