I'm surprised that Violet ISN'T allowed to read the emails aloud, if she's allowed to talk about them. Seems like her version of their summary is hearsay.
And you can look at the warning to Jodi from the Hughes as an opportunity for JODI to make the decision to just walk away. It was extremely early in the relationship. She stayed because she was already obsessed with him and what he could offer her...the prestige, marriage, money, etc.