He was enjoying himself immensely without a thought of any possible consequences, and it was plain that this was the attitude in which he expected her to regard the matter.
With an effort she responded to his mood, but she could not shake off the burden of doubt and foreboding that oppressed her.

She felt as if the long, bitter journey had in some fashion aged her.

Jerry's gaiety was as the prattle of a child to her now.

They had been children together till that day, but she felt that they could never be so again.

Never before had she stopped in her headlong course to look ahead, to count the cost! Now, for the first time, misgivings arose within her upon Jerry's score.
What if this boy who had lent himself so lightly, so absolutely freely, to her scheme for deliverance, were made in any way to suffer for his reckless generosity?
For this it had been with him--and this only--as she well knew.
With sheer, boyish gallantry, he had offered his protection; with sheer, girlish recklessness, she had accepted it.