In their remorse and disgust it was not mere physical disillusionment that so crushed them.
They saw further.

They were overcome by an impression of bleak truth, of aridity, of growing nothingness, at the thought that they had so many times grasped, rejected, and vainly grasped again their frail carnal ideal.
They felt that everything was fleeting, that everything wore out, that everything that was not dead would die, and that even the illusory ties holding them together would not endure.

Their sadness did not bring them together.

On the contrary, they were separated by all the force of their two sorrows.

To suffer together, alas, what disunion! And the condemnation of love itself came from her, in a cry of agony: "Oh, our great, our immense love! I feel that little by little I am recovering from it!".