Both Michael and Lina immediately understood what Kate was trying to understand here. At the moment, she probably felt kind of betrayed.
Even though she had not spent that much time with Lina, it was still quite considerable. Additionally, during this time, they had shared a lot, and their relationship had been quite good.
If it turns out that Lina was not genuine, and instead, had been doing all that she had done because that was what she was supposed to do, Kate would feel that her emotions had been betrayed.
She did not want to create a friendship with someone who was just acting around her. She wanted someone who was genuine about the friendship.
Upon hearing Kate's question, Lina did not hesitate as she responded, "The responsibility that I was given was to protect you. That was all that I was supposed to do.
