In the film True Lies Arnold Schwarzenegger has a teenage daughter that he is finding hard to control. One of his colleagues from work explains why he may be finding it so difficult. ‘You’re not her parents any more. Her parents are Axl Rose (the lead singer in the heavy metal rock group ‘Guns ‘n’ Roses’) and Madonna. Don’t think that the five minutes you spend with her can compete with that kind of bombardment.’ If we want our children to accept our values, we have to pass them on.