Mom looked at you with sadness in her eyes. "I guess you're old enough to know the truth now."  She said with a heavy sigh. "Your dad left to fight in the war. I told you that much. But Pria... When he left, the war hadn't reached us yet. It had nothing to do with us and at that time there was no reason to believe we would get involved. He went off to fight a war still halfway across the planet..." You could see there was more to the story, but your mother didn't seem very willing to elaborate.