(Laughter) I said, "" English, mum. "" And she shook her head and said, "" Oh, these Americans. We gave them a language, why don't they use it? "" (Laughter) So, this woman, who converted from the Church of England to Catholicism when she married my father — and there's no one more rabid than a Catholic convert — decided to teach in the rural areas in Nigeria, particularly among Igbo women, the Billings ovulation method, which was the only approved birth control by the Catholic Church.