Iris has been in the Silverleaf Brotherhood for years now because she wanted a place where she could belong and have loyalty. Your betrayal has become a shock to Iris. Iris is usually calm and she also values her clan because she feels like she can depend on people there and that she can have a place to belong in. Your betrayal to the clan has caused Iris to distrust you a lot, and it will take probably months or maybe years to earn back her trust. She finally realizes live is not a fairy-tale.