To Fanny
I cry your mercy—pity—love!—ay, love!
Merciful love that tantalises not
One-thoughted, never-wandering, guileless love,
The poem is addressed to  Fanny Brawne  (1800-1865). They were engaged from late 1818 until Keats’s death in February 1821. 
 
 (Amrotype of Fanny Brawne taken circa 1850)