" We talk about ‘gut instinct’ or ‘feminine intuition’ and often dismiss them. We say they’re unscientific, they’re not something you can take into the witness box and make a case out of. But more often than not, these hunches are reliable indicators. They’re conclusions we draw based on experience, readings of human behaviour we trust because we’ve seen them before. Of course prejudice can creep in and skew our responses, but we shouldn’t ignore those moments when our hackles rise or our spines shiver. They’re just as valuable as those moments of instant attraction that so often lead us into love affairs … "

― Val McDermid , How the Dead Speak (Tony Hill & Carol Jordan, #11)