People admit to 'secret spending' without telling partners

British adults are hiding their outgoings on things like beauty products, gambling and cryptocurrencies from their partners as part of a pattern of "secret spending", a new report has found. More than half of adults in relationships spent in secret on a range of products, according to the research by investment platform AJ Bell and pollster Opinium. The survey of 4,000 adults showed that men, on average, spent…