Your friendship much can make me blest,
O why that bliss destroy!
Why urge the only, one request
You know I will deny!

Your thought, if Love must harbour there,
Conceal it in that thought;
Nor cause me from my bosom tear
The very friend I sought.

-Robert Burns, 1788

Painting 1899 by Edmund Blair Leighton (1853-1922) entitled 'Off'.