Love is a smoke raised with the fume of sighs,
Being purged, a fire sparkling in lovers' eyes,
Being vexed, a sea nourished with lovers' tears.
What is it else? A madness most discreet,
A choking gall and a preserving sweet.
Kees Kees
http://www.poemhunter.com/poem/william-shakepeare-sonnet-116-1/