If Sauron was ever in love with anyone, it would've been Morgoth. I believe he even
got the Numenoreans to sacrifice people in Morgoth's name after Morgy was long gone.
But Morgy wasn't the type to love anyone but himself.
God forbid you ever had to walk a mile in her shoes, 'cause then you really might know what it's like to have to choose. - Everlast