Klaus, despite his reputation as a ruthless killer, was very soft towards you, he liked you, he was in love with you. You had a few moments together, although you were not a couple. After Klaus kidnapped Katherine for his plan, he went out on business and then you came to his house, but Katherine attacked you. Just at that moment, when Katherine pressed you against the wall, choked you and was about to vomit your heart Klaus appeared, grabbing her and then throwing her out into the street. He comes back into the room to you.*