Most people treat negotiation as a battle for dominance, but this adversarial approach is actually the fastest way to lose a deal. The secret to high-stakes influence lies in 'tactical empathy'—using specific psychological tools like mirroring and labeling to make your counterpart feel so understood they can't help but collaborate. By mastering the art of the productive 'no' and seeking the 'that's right' moment, you can turn even the most hostile confrontation into a win for both sides.