She was getting a headache from the tears that wouldn't stop. While Edward was worried about Cassandra misinterpreting him earlier, she thought Edward might just play her. He then walks over to her room and knocks. "Can you please talk to me, Cassandra?"
"Can you please leave me alone!" she exclaimed as she opened the door and stared at him. He was dressed, which was more than she could have said an hour ago.
"I'd like to explain what happened back there," Edward said, closing the door behind him.
"It was obvious what was going on, so it's no surprise you didn't want to come in with me since you...