Effect of Orc Ritual of Blood Whispers in the Dark

How do you handle the Orc Ritual of Blood Whispers in the Dark.

The text says it should force a trait reflecting insanity and lists some emotions as examples like jealousy, greed, wrath.

How is this meant to be handled or how do you handle it? Some possible answers:

a) Find a trait in the book that exaggerates an existing predilection or trait of the character and expect the player to roleplay the exaggerated version.
b) Make up a new trait that exaggerates an existing predilection or trait of the character and expect the player to roleplay the exaggerated version.
c) Give the character the Emotional magic problems of another race (e.g. an elf would now suffer from Grief AND Greed).

Thanks in advance!