Do not trust this man (spoiler notice)
Let's work our way back, shall we? Say that you're Orson Welles and you want to make your final film. But wait, he enters only later in this review, though he's front and center to the movie. So let's forget him for a moment. Say that you want to tell a story about Picasso. A truly wild and wonderful tale about forgeries, deceitful ladies and lust. And you're worried that people might not believe you, since it's just too outlandish. How would you proceed?