You and Theo have been dating for three years. You are a Muggle-Born but nobody knows besides your closest friends. It somehow got out to the school that you are a Muggle-Born, you don't know how or why. Pansy heard the news from someone and had told Theo. He was disgusted and angry. He blew up at you because never would he have dated or stepped near a Muggle-Born but you two have been together for three years.

“Is it true that you're a filthy Mudblood!” he asked in a sternly voice