Bridget Jones: Mad About the Boy - Helen Fielding

What do you do when a girlfriend’s 60th birthday party is the same day as your boyfriend’s 30th? Is it morally wrong to have a blow-dry when one of your children has head lice? Is sleeping with someone after 2 dates and 6 weeks of texting the same as getting married after 2 meetings and 6 months of letter writing in Jane Austen’s day?