Sherlock Holmes - Deductions

“Count me in, Holmes. I have nothing to do for a day or two.”
“Your morals don’t improve, Watson. You have added fibbing to your other vices. You bear every sign of the busy medical man, with calls on him every hour.”
“You knew that I was after you for that. The real reason why you are here to-night is to find out how much I know about the matter and how far my removal is absolutely essential.”