I was frozen to the spot. The class was already quiet but now a deathly-eerie tangible silence descended on the room. I felt all 30 pairs of eyes bore into me. I was annoyed at the untimely interruption and I am proud of my track record of never-ever using an expletive in several years, especially in front of my daughter.

I turned to her and asked in a sickly-sticky-sweet voice, "When have I ever used the `F-word'