"IT WAS three days after the satisfactory resolution of the Patel case. Mma Ramotswe had put in her bill for two thousand pula, plus expenses, and had been paid by return of post. This astonished her. She could not believe that she would be paid such a sum without protest, and the readiness, and apparent cheerfulness with which Mr Patel had settled the bill induced pangs of guilt over the sheer size of the fee. It was curious how some people had a highly developed sense of guilt, she thought, while others had none. Some people would agonise over minor slips or mistakes on their part, while others would feel quite unmoved by their own gross acts of betrayal or dishonesty. Mma Pekwane fell into the former category, thought Mma Ramotswe. Note Mokoti fell into the latter. Mma Pekwane had seemed anxious when she had come into the office of the No. 1 Ladies' Detective Agency. Mma Ramotswe had given her a strong cup of bush tea, as she always did with nervous clients, and had waited for her to be ready to speak. She was anxious about a man, she thought; there were all the signs. What would it be? Some piece of masculine bad behaviour, of course, but what? "I'm worried that my husband"