Snogging unsuitable men, over-dressing, big hair and terrible hangovers, there was something haphazard about coming of age in that era. It might have come with a side helping of sexism and handsy older blokes, writes Rowan Pelling , but at least it was a laugh J illy Cooper ’s Rivals has returned to our TV screens, bringing with it the stupefying scent of Vidal Sassoon hairspray and Dior’s Poison. Although those of us who were cash-strapped teens in the 1980s are more likely to find a version