Of course you have! So, why not join the kids at the Book Club in Shoreditch on Valentine's day for a fun, informative and...er, "practical" class in this very thing. Grab a friend, snap up some tickets and get your piping hat on. Prizes will be awarded for realism and invention and drinks will be available at the bar; it'll be like Great British Bake Off, but not. At all... Over 18s only. Valid ID required.