What was Miss Psychopath Patient's evilest moment?

• Poisoning her co-worker/affair partner.

• Having an affair at all.

• Deliberately lying to and masterfully manipulating her husband, making him feel like he's the one in the wrong.

• Reporting Thirteen for sexual harassment.

• Trying to get Thirteen fired.

• Telling her husband that he was pathetic and being so sincerely mean to his face about the miserable prospect of spending the rest of her life with him.