I've read Bad Blood and seen the movie. Both can be true. Some con men or confidence people have the ability to uphold untruths much longer than a normal person would be comfortable with. Reading Bad Blood, you're distanced from the psychology of Holmes, but in the movie your placed directly in front of her.

Holmes constructs a world with her lies. I don't how much time she spends brushing it off, or she just adapts it to her normal behavior, but there are scenes which are telling. Like when she explains how the device works and speaks in a painfully roundabout way to make it seem like she's not lying. Watching a panel about the movie with the Bad Blood author someone mentioned she almost is dressing the exact opposite of her old appearance. Earthy brown sweater instead of black turtleneck and hair down instead of in a pony tail. Even her initial image is eerie in how much she directly knocked off Steve Jobs' appearance on reflection.