
What do you mean you never changed? If you are, you would still do the things you did. You did changed, in a way you knew how to control those urges enough not to scare Huimin.
Although I hoped Seo didn't try to know the location because I bet Huimin wants to surprise him. Don't take it away from him (⊙…⊙ )
You know, HYJ's little speech reminds me of SHJ and his convo in the novel. They were talking about SHJ willing to be HYJ's adult figure. HYJ replied if they met many years ago, HYJ would be willing to take his hand.