These alterations of mood were the despair and joy of Ethan Frome. The motions of her mind were as incalculable as the flit of a bird in the branches. The fact that he had no right to show his feelings, and thus provoke the expression of hers, made him attach a fantastic importance to every change in her look and tone. Now he thought she understood him, and feared; now he was sure she did not, and despaired.