A man got into a train and found hi

A man got into a train and found himself sitting opposite a woman who seemed to be about thirty-five years old. Soon they began talking to each other, and the man said to her, "Do you have a family?"
"Yes, I have one son," the woman answered.
"Oh, really?" said the man. "Does he smoke?"
"No, he's never touched a cigarette," the woman replied.
" That's good," the man continued. "I don't smoke either. Tobacco is very bad to one's health. And does your son drink wine?"
"Oh, no," the woman answered at once. "He's never drunk a drop of it."
"Then I congratulate you, ma'am," the man said. "And does he ever come home late at night?"
"No, never," his neighbor answered. "He goes to bed immediately after dinner every night."
"Well," the man said, "he's a wise young man. How old is he?"
"He's six months old today. But he will grow up to be a gentleman," the woman replied proudly.