to prevent the sad increase Of hopeless love, I keep away

It is not that I love you less
Than when before your feet I lay,
But to prevent the sad increase
Of hopeless love, I keep away.

In vain (alas!) for everything
Which I have known belong to you,
Your form does to my fancy bring,
And makes my old wounds bleed anew.

Who in the spring from the new sun
Already has a fever got,
Too late begins those shafts to shun,
Which Phœbus through his veins has shot.

Too late he would the pain assuage,
And to thick shadows does retire;
About with him he bears the rage,
And in his tainted blood the fire.

But vow’d I have, and never must
Your banish’d servant trouble you;
For if I break, you may distrust
The vow I made to love you, too.

[Edmund Waller {1606-1687}, 'The Self Banished', from The Poems of Edmund Waller, Vol. I]