Myung hadn't answered yet. His brain was not in ready mode to receive heavy information; it was still in the process of loading when he heard the ravings of his brother-in-law.
Who wants to be the third heir? Did Myung ask them for it? Isn't that just symbolic? After all, Myung wouldn't have really ascended to Shin's higher-ups if Haito and Haneul hadn't died. Unlike her son, Hyunoo can really rise to be a successor someday, and Myung believes that Hyunoo should be taken care of as well.
In the end, Myung's complaint escaped his lips.
His shoulders are weak. He has already failed in his dream of wanting to ride a Jumbo Jet, Boeing 747-91. Yesterday was with Hyunoo.