The Rainbow by D H Lawrence Chapter 3 Page 5

But he loved her, and time came to give some sort of course to his troublesome current of life, so that it did not foam and flood and make misery. He formed another centre of love in her child, Anna. Gradually a part of his stream of life was diverted to the child, relieving the main flood to his wife.

Also he sought the company of men, he drank heavily now and again.

The child ceased to have so much anxiety for her mother after the baby came. Seeing the mother with the baby boy, delighted and serene and secure, Anna was at first puzzled, then gradually she became indignant, and at last her little life settled on its own swivel, she was no more strained and distorted to support her mother. She became more childish, not so abnormal, not charged with cares she could not understand.