Captain John H. Miller was an assertive but esteemed leader in the army. Though he showed toughness on the outside, Captain Miller also tends to hide his vulnerable side when he privately cried loosing a medic due to a rare error. This then, tends to explain why he released the held captive German soldier.
In the story entitled the Pearl Kino wakes up at the start of the novella as he heard the song of the family and he did feel content which is the answer. Hope this is the best answer and would be of help.
