I trust I shall always be there for my friends, @garthk. With apologies to @ccohanlon, whose tweet this is.
Finding myself dull ... I think it must have been Arthur Conan Doyle. Just possibly HG Wells, but my money is on a Sherlock Holmes story, which probably thus make them words of John Watson. I don't precisely remember, nor do I remember what the protagonist did to remedy his malaise, but the simple phrase [...]