Be ye forwarned. Fa-so-la-la has taken to referring to her current ailment as consumption. It's just that mononucleosis sounds so dashed postmodern, dontchasee.
Consumption... ahh yes... ever so much more... literary.
Alas, Sir Alistair, verily our bonny lass hath succumbed to the capricious whims of vile consumption!
(succumbed being a relative term)
(oh, sorry, that sounded postmodern, did it not?)