User blog comment:Vaince321/Arc 2 EC: The Forgotten 'Reaper'/@comment-14812118-20150130134042/@comment-25977712-20150130141245

She's somewhat mentally lost her mind after Kisa stayed in Arthur's house. Because of that incident, she thought her child had left her and somewhat blamed her husband for not doing a good job, which triggered a unstable switch in her head to cause his murder but it was after they had slept.