Question about the book Katheryne Howard the Scandalous Queen?

It's a small one. Haven't finished the book yet but why didn't Katheryne consult with someone about her worries after her marriage with the King?

Can't imagine how difficult it must have been to constantly worry about the king finding out about her past relationships.

She could have consulted with her grandam, the douchess, since she already knew about her previous encounters with Derenham and Harry. The douchess was very wise