Where the presumed cause, as substance-abuse, is non-existent, and where the real reason for unusual behaviour is a man's love for his Muse.
-- I heard he hasn't had a drink in over two years?
-- It's true. He's no more under the sheenfluence than that Sheen is Charlie's original name.
-- You mean he's love-sick for his Muse?
-- Yeah, he has estevluenza.