Give him all the ideas! Even without actual dragons, having one similar as a pet is an exciting thought. Although seeing how the other walked makes him let out an amused 'pff'.

"I see some things haven't changed about you then." Quickly remarking with some hostility returning, but excitement returning far too quickly, replacing the hostile tone. "As a pet? A pet? I must see these creatures!"

The way he's reacting makes it seem as though all hatred and animosity towards Xue Yang has left him, especially with the childish bounce in his step as he nods to the explanation of where he's being led. Sometimes excitement of something new can be enough not to kill an enemy then and there.

"What type of person is she, what are the things she does in this place?" Knowing what kind of people are around is important!