I've gone and fallen in love, like a greensick fool.    From Wordnik.com.  [Oathbreaker]

“The young one is the miller’s son,” Tom said, looking even more greensick than Isabel felt as he stared at the dead man’s face.    From Wordnik.com.  [My Demon's Kiss] Reference

Surely some occasion would have turned up before long of selling the greensick minx advantageously to an old lover or a young one; and this might have succeeded too, why should not it? if she had not lockt up a silly young fellow in her heart, whom she loves, as she tells me. ".    From Wordnik.com.  [The Old Man of the Mountain, The Lovecharm and Pietro of Abano Tales from the German of Tieck] Reference