Many young people are beset by a host of fears, worries, anxieties and insecurities that make for superficial and discouraging relationships, lack of motivation, and confused, escapist or hedonistic lifestyle choices that can determine a future riddled with problems almost impossible to extricate oneself from; emotional responses appear uncontrollable, with frequent rage outbursts or overwhelming melancholy. Our affluent societies have seen a sharp increase in antisocial behaviour: alcohol and drug abuse, carrying a weapon in case of a fight, vandalism, general rowdiness in gangs, cruelty to...