Authors:

They didn't understand that she held his heart, held it so utterly that there was nothing he wouldn't do, no line he wouldn't cross to keep her safe.

Nalini Singh (2012). “Nalini Singh: Guild Hunters Novels 1-4”, p.398, Penguin
They didn't understand that she held his heart, held it so utterly that there was nothing he wouldn't do, no line he wouldn't cross to keep her safe.