In a romantic relationship between two people, if both of them aren’t winning, both of them are losing. Let that be remembered during the next argument between them.
In a transaction between an employer and an employee, if both of them aren’t winning, both of them are losing. Let that be remembered during their next salary negotiation.
In a transaction between a company and a valuable customer, if both of them aren’t winning, both of them are losing. Let that be remembered the next time the customer calls the support line.
We are surrounded by an interdependent paradigm where win-win is the only means by which anybody wins. In the long run, winning at the cost of your partner is no win at all