He nodded at the description of her home and life here. He had also created connections back in the dead world that he missed now. He wondered where his friends were, and worried about them. Though unlike many of the people he'd met, he was not homesick for his own world. He felt a duty to it, but also a deep resentment, and away from the conflict he felt little drive to make an effort to return.
The name of the City was interesting, though. Castiel commited the information to memory, but it seemed like Beauty was saddened by the mention, so he didn't press on the nature of their relationship. It was usually impossible to tell with humans, anyway.
The question brought the slightest grimace, but then, angels had been absent for so long he was used to most beings assuming only evil beings lived forever. He shook his head.
"I am an angel," he replied, avoiding the matter of his assumed fallen nature. "I was stationed on Earth most of human history. I was taken a few hundred years after your time."
As they walked into the shop he picked up a newspaper, then turned and offered it to the young woman. He glanced at the date, and headlines, but they meant little to him. He doubted time meant anything to beings that could pull him into other worlds in the blink of an eye.