Knock At The Door

A man is in bed with his wife when there is bang on the door. He turns over and looks at his alarm clock, and it's four in the morning.
"I'm not getting out of bed at this time" he thinks to himself, and puts his head back down on the pillow. Then, a louder bang follows.
"Aren't you going to answer the door?" asks his wife.
So he pulls himself out of bed and walks down the stairs. He opens up the door and there is man standing on the porch. It was plain to see the man was drunk.
"Hello," slurs the man outside. "Can you give me a push??"
"No, go away. It's four in the morning. I was in bed asleep," said the man and slams the door shut. He goes back up to bed and tells his wife what happened and she says, "Honey, that wasn't very nice of you.
Remember that night our car broke down in the rain on the way to my mothers and you had to knock on some man's house to get our car started again? What would have happened if he'd told you to get lost??"
"But this guy is drunk," said the husband.
"It doesn't matter if he's drunk," says the wife. "He needs our help and it would be the right thing to do." So the husband gets back out of bed, gets dressed and goes back down the stairs.
He opens up the door, and he can't see the stranger anywhere so he shouts, "Hey, do you still need a push??"
And he hears a voice say, "Yes, please."
He still can't see the stranger so he shouts, "Where are you?"
And the stranger responds, "I'm over here, on the swing."