The Spanish bestseller that's become an international phenomenonRelationships without clear boundaries are like highways without road signs: nobody knows where to go, and sooner or later somebody’s going to get hurt.'A clear guide, full of practical tips.' – El MundoIn How to Tell People to F**k Off Politely, clinical psychologist and neuropsychologist Alba Cardalda shows how healthy boundaries aren't about pushing people away: they're about building relationships based on openness, mutual respect and emotional intelligence. Drawing on psychology, cognitive behavioural techniques and years of clinical experience, she explains why expressing our needs can feel so difficult and provides the practical tools to say what we really mean with confidence. You'll learn how to:Recognize self-sabotaging beliefs and people-pleasing patternsCommunicate with conviction using practical strategies, body language and active listeningLearn to say ‘no’ without feeling guiltyHandle criticism, manipulation and difficult behaviour without losing your coolBuild healthier, more respectful relationships while staying true to yourselfWarm, practical and deeply reassuring, How to Tell People to F**k Off Politely will help you understand the difference between kindness and self-sacrifice, and start expressing your needs with honesty and respect.