More on Fancy-sick from Infoplease:

• Fancy-sick - Fancy-sick Love-sick. “All fancy-sick she is, and pale of cheer.” Shakespeare: ...
• Anne Bradstreet: The Flesh and the Spirit - In secret place where once I stood Close by the Banks of Lacrim flood, I heard two sisters reason on Things that are past and things to come. One Fles
• William Shakespeare: Midsummer Night's Dream, Act III, Scene II - I wonder if Titania be awaked; Then, what it was that next came in her eye, Which she must dote on in extremity.
• Dictionary of Phrase and Fable: F - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "F"