The man was always mad, so the cat was afraid of him. The man got mad at that and stabbed the cat in its fear-full eyes.
After he killed the first cat. He found another cat. The cat looked exactly like him. And when the man got home from the bar. In mad rage, he hung the cat with a rope.
So after the cat die. Another cat came along. And once again the man came back from drinking and in mad rage, he took a knife and was about to the cat when his wife tried to stop him sand he stbbed his wife.