They had been swimming around the same places for more than 6 or 7 hours underwater, without taking even a 5- or 10-minutes break.
It was complete madness, the big sister type lady was feeling herself like she was some kind of slave, that would be certainly killed from overworking.
What made her even angrier was the fact that Eric had cut no slack for himself either, he had been always leading the path they had taken and didn't seem to even have the intention of stopping.
She couldn't help but feel extremely inferior to his commitment towards whatever he was trying to find.
It was something completely beyond her understanding. After all, most people would train, and learn martial arts, or special skills just because they wanted to have more strength and lead an easier life.