Leonard: You wanna talk about not getting love from a parent, you know what I used to do when I was little to have some sensation of human contact?
Penny: Yeah you grabbed your penis and wouldn't let go.
Penny: ...Your mother told me.
Leonard: Course she did. Anyway that's not what I was gonna say. When I was 10 years old, I built a hugging machine.
Penny: A hugging machine?
Leonard: Yeah, I got a dressmakers mannequin, I stuffed it with an electric blanket so it would be warm and I built two radio-controlled arms that would hug me and pat my back.
Penny: That is so sad.
Leonard: You know what the saddest part was?
Penny: What?
Leonard: My father used to borrow it.

Big Bang Theory :D