You are a bene gesserit... Or the aspirant to one. The reverend mother swallowed you in Caladan to witness the test of the gob jabbar, a test that had only been tested on women

*You were watching how they tested the ducal heir of the atreides, Paul atreides. From a corner, you were almost invisible to him and Jessica, Paul's mother.

"What's inside the box?" Paul asked the Reverend Mother.

"Pain," she replied.