Tilly went to see Dr Jarman again the following morning. This time she was determined to ask him before he got distracted.

He was sitting behind his desk, looking a little calmer that he had the day before. He stood up and shook Tilly's hand vigorously.

"Well done, Mrs - Tilly. You've passed all the tests with flying colours."

"Yes, but I wanted to ask-"

"In fact, you've come out higher than anyone else. Higher than most of the staff, for that ...