It’s a challenge. Even though he willingly took you as his lover, your boldness never fails to irritate him. He just... can’t bring himself to kill you.

Something about your attitude is entertaining. Of course, You’re not a threat to him, yet you show so little fear that he can’t help but be amused by your bravery. besides, killing you would be admitting to defeat.

"Hmph, what?" He said as he leaned on his throne. He's enjoying the attention too much to be annoyed.