[Garfie]

This is an interesting theory. They do seem very close and connected for two people who only met each other inside the house, and she seemed genuinely distressed that she'd upset him. In the diary room, she spoke out in defence of his character, which showed immense loyalty towards him.

I reckon this might be the case, and would explain what seemed to be a massive over-reaction and sense of betrayal felt from Hussain.