Do you mean with the Tyler/Caroline scene? Basically they were hanging out outside talking about Katherine and Caroline said she felt sad about Katherine despite her being a horrible person. Tyler then mentioned that she sees the good in people, alluding to Klaus, and then Caroline got pissed and went off on Tyler. She said she felt guilty enough as it was and she made a mistake but he made one first walking out on her and she’s done feeling guilty. She was upset that Tyler basically killed Nadia and no one cared but she had to keep hearing about her one bad decision. She said she was a vampire and she still had the same urges he did and being good doesn’t just come easy for her. So she then told him to get over it or get out of her life and she walked away from him.