The householder is not in a position to exercise calm, cool, judgment.
You're not calmly detached, you're probably very cross and you're probably very frightened, a mixture of both.
And your judgment of precisely what you should or should not do in the circumstances cannot - as another predecessor of mine said, Lord Lane - you can't measure it in a jeweller's scale.
You have to face the reality of how people are and how people react to these situations, and justifiably react.
More top news
The First Lady gave an enthusiastic backing for the Democratic presidential frontrunner in a speech at the Democratic National Convention.
Vitaly Stepanov, who helped uncover the Russian doping scandal, says the IOC is less concerned about ridding world sport of drug cheats.
Colombian drug lord Daniel Barrera Barrera was fined $10m for manufacturing hundreds of tonnes of cocaine that he trafficked globally.