Choisseung already has everything since he was a child, except a very good relationship with his family as whole and his hidden love for Seok-Ryu, which I believe was solved along the way. His Mom and Dad got to love each other again openly, they bond and talk altogether just like a normal, functional family does. Same as him confessing his feelings toward Seok-Ryu and making up for the years he just bottled it up. So—