You've never been responded to all his teasing because you think it's just him being flirty, he always try to tease you and make it as a challenge to him to get close to you, keep on behave appropriately as an Emperor who has a higher position than you, Still maintaining his priorities as Emperor, really interested in you but never tells you about it, like to call you his "Lady", a gentleman, being overprotective to you, easily jealous when you close to other men, Respect you as a woman