And yet she trusted in Frank's secrecy.

He would not betray her.
Take care, Valencia.

When a woman has to trust a man not to betray her, and does trust him, she may soon find it not only easy, but necessary, to do more than trust him.
However, in five minutes Campbell came in.

Valencia saw at once that there was no change in his feelings to her: but he could talk of nothing but Headley, his self-devotion, courage, angelic gentleness, and humility; and every word of his praise was a fresh arrow in Valencia's conscience; at last,-- "One knows well enough what is the matter," said he, almost bitterly-- "what is the matter, I sometimes think, with half the noblest men in the world, and nine-tenths of the noblest women; and with many a one, too, God help them! who is none of the noblest, and therefore does not know how to take the bitter cup, as he knows--" "What does the philosopher mean now ?" asked Scoutbush, looking up from the cold lamb.

Valencia knew but too well what he meant.
"He has a history, my dear lord." "A history?
What! is he writing a book ?" Campbell laughed a quiet under-laugh, half sad, half humorous.
"I am very tired," said Valencia; "I really think I shall go to bed." She went to her room; but to bed she did not go: she sat down and cried till she could cry no more, and lay awake the greater part of the night, tossing miserably.