Every story she tells has her giving people a lecture, or being witty or more intelligent, etc - really confident, and always coming out on top, and everyone silenced. The latest has her on the stand, the whole courtroom and judge enthralled by her brilliance!
BUT BUT BUT - whenever she appears on TV or in real life, she is shaking and nervous and fidgeting and can't speak. She even ran away from Edwina Currie during the commercial break, she said. That's the true Jack. The other one is just the fantasy bullshit in her head.