It's wrong to lie about your past.
Jon is talking to a new love interest who wants to know more about him.
Jon wants to talk about his past experiences.
Jon shares an interesting story about his past which he is comfortable being honest about.
Jon exaggerates his past in order to appear in a better light.
The girl is compelled by the story and is more interested.
The girl finds out the truth and is upset she was lied to.