If someone seems too good to be true - they are.

A man's sanity is inversely proportional to the gap between the bottom of his  trouser leg and his shoe. For gaps that reveal white socks the insanity factor is doubled.

Ladies - keep your original name when you marry - it considerably simplifies things when you divorce.

Hijackers. Avoid a long stressful siege and the risk of arrest, imprisonment or death by simply making sure you book a flight to your intended destination in the first place.