Dorian Gray by Oscar Wilde Chapter 5 Page 30

The lad was touched. He went towards her, and stooping down, he kissed her. "I am sorry if I have pained you by asking about my father," he said, "but I could not help it. I must go now. Good-bye. Don't forget that you will have only one child now to look after, and believe me that if this man wrongs my sister, I will find out who he is, track him down, and kill him like a dog. I swear it."

The exaggerated folly of the threat, the passionate gesture that accompanied it, the mad melodramatic words, made life seem more vivid to her. She was familiar with the atmosphere. She breathed more freely, and for the first time for many months she really admired her son. She would have liked to have continued the scene on the same emotional scale, but he cut her short. Trunks had to be carried down and mufflers looked for.