As any parent knows, children often respond to limits and rules with phrases like "that's not fair" or "but their mom said they could," reflecting their struggle to understand boundaries and fairness. These common reactions reveal how kids test limits and seek consistency between caregivers. When children say "that's not fair," it's usually a cue that they feel their needs or desires are unmet compared to others. A helpful approach is to validate their feelings while calmly explaining the reason behind your decision. For example, you might say, "I understand you feel that way, but this rule helps keep everyone safe and happy." The phrase "but their mom said they could" often highlights the challenge of differing parental rules. To minimize confusion, it helps to coordinate with co-parents or guardians so rules are as consistent as possible. If differences exist, explaining why a rule varies can help children learn flexibility and respect for multiple viewpoints. Parenting in these moments requires patience and clear communication. Using calm tone, active listening, and empathetic responses can turn potential conflicts into teaching moments that strengthen your relationship and your child's emotional growth. Incorporating these strategies when your kids hit you with "that's not fair" or "but their mom said so" fosters an environment of understanding and respect. Over time, children learn to accept boundaries and develop social awareness that helps them navigate fairness and authority in daily life.