[Diarmuid nods. That completely explains why she was caught so off guard by the dogs. Add in the fact that it is still something she feels strong emotions about and it is no wonder she is so shaken.]

If you keep coming to that conclusion, I am sure it is part of the answer, but the problem is what part? There is no way the answer is as straightforward as it seems. Perhaps the witch wants less for you to talk to your mom, but instead wants you to show that you have realized your error through another way. Maybe something more symbolic?