"Do you want to know the secret of prophecies?" She leaned forward, lowering her voice to a conspiratorial whisper, "Most prophecies are self-fulfilling. If you aren't told that certain things will happen, would you still do them?" And that was why she kept secrets from the Ministry. It occurred to her that she ought to see if she could find her books of prophecy, if her magic had protected them throughout the century and a half.
"Actually, it's quite ancient but I'll agree with the rest," she smiled faintly but didn't go into the details. That would have been a long history lesson involving druids and Cornish royalty that she didn't quite want to get into. "Most everyone's probably asleep already," she confirmed gently. He'd need somewhere to crash for the night. "I can turn a couple of tables into a temporary bed for you, if you like," Cassandra offered. As for his trust, she shrugged her shoulders, "I have one of those faces."