Sweet love, renew thy force; be it not said
Thy edge should blunter be than appetite,
Which but to-day by feeding is allay’d,
To-morrow sharpen’d in his former might:
So, love, be thou; although to-day thou fill
Thy hungry eyes even till they wink with fullness,
To-morrow see again, and do not kill
The spirit of love with a perpetual dullness.
Excerpt from Sonnet 56, William Shakespeare