There's a small pause, and it's followed by the shake of his head. "Sometimes ... there are no satisfying answers to things," he says carefully. It is, perhaps, the hardest lesson he has ever had to learn. Senseless things. Cruel things. Things that will break your heart. On the other hand, there are also good ones. Hopeful ones. He has to believe that. "Sometimes they just happen and we don't know why."