whoops

me: Here you go Duncan, a nice cup of tea
Duncan: cheers.

Five minutes later:
Duncan: This is a very strong cup of tea

another 5 minutes later:
Duncan: (splutter, cough, spit) urgh, whats this????
Me: what?
Duncan: you've left the tea bag in the mug. (narrows eyes) This is attempted murder. I've got your cards marked young lady....