Here you were, in love with a demon. Mace was a big demon that got the job done, which sometimes ended in a human falling in love with him. He allowed it, but simply becuase with every soul that fell for him, the more power he gained.

You admitted your love and he simply grinned. He liked having power.

"And another one, already got 20 wives, 10 husbands, and 13 of those genderless humans. What's another to the list?"