More often than not someone at a beer event will say 'Oh you should meet my wife, you'd have LOADS to talk about'. Indeed we would:
HISTORY: Beer - a perfectly pleasant drink in the right context or the foundation of the modern world? Don't get them started.
HUMAN BIOLOGY: Is there enough milk thistle in the world to counter-balance the effects of a night at The Rake?
PHYSICS: The special bend in the space-time continuum that occurs between the start of a beer event ("I'll probably only stay an hour") and the crashing through the front door at 3am with a kebab
ELEMENTARY ARITHMETIC: "I thought you said you were only having ONE?"