Norah had a smile on her face. "After my divorce, I found out that Mr. Hayes was searching for the Supernatural Doctor. He was the first to discover me."
Then, Kason forwarded the information about the Supernatural Doctor to Sean.
Norah didn't bother to keep her being the Supernatural Doctor from Sean because he had already figured out who she was. She simply confessed. As the leader of the Scott family, Sean kept her secret for her. She believed in his promise to keep it safe.