Since Professor Snape was feeling unwell, Rhea Walker did not ask to go out today. When Professor Snape felt a bit better and came downstairs, he saw Rhea sitting on the sofa deep in thought and asked, "Rhea, what are you thinking about?"
Lost in her thoughts, Rhea answered without even thinking, "I'm thinking about what I should get Severus for his birthday."
As soon as the words left her mouth, Rhea realized what she had said. She stiffly turned her head to look at the equally rigid Severus and said, "Professor, how come you're downstairs?"
Chapter 136