[ Hm. Is that how she feels? It's not as though he can't sympathize with not wanting to watch people die. There are certain existing wounds, sizeable holes, within his psyche that he has buried deep--but nonetheless exist. However, having lived as a human, he can't help but understand the other side... ]

Human existence is short and fleeting. If they want to risk their lives or lose them to have meaning instead of dying old and infirm and having done nothing of value, then so be it. No one benefits from a life unlived.