Don’t pick up the trash you threw away

After six years of being thrust into battle, my fiancé has returned, accompanied by a woman and his child. He expressed that he did not wish to abandon her and their child. An irresponsible fiancé who only burdens me with duchess responsibilities. "Leila, you're not an official duchess yet." Those callous words escaped his lips. As a result, I resolved to break off this engagement. *** "How far can I do what I want?" There was a moment of silence. I realized I had uttered something odd and quickly sought to clarify. "I'm sorry, Your Majesty. I didn't intend to bring this up, but" "Whatever," Kalian interrupted me and spoke. His tone was not one of anger; instead, I felt he was smiling. "Aside from selling this empire, you can do anything you wish. Because you're my representative. What if I truly sold this empire?