He'd never been asked to promise something like that before. "I promise," he said, his grip on her tightening. He didn't know why all of a sudden this had set in on both of them, this unrelenting fear of losing the other, but the events of the day had plotted it all out for them. His flashbacks, the way she ran off into unknown circumstances, every bit of it played into his fear. "I'll always be here, I promise." The intensity of it all scared him.