This article discusses win-win negotiation skills that can be applied both at home and in business negotiations. It explains that win-win negotiations aim for solutions that benefit all parties, unlike a "tit for tat" approach where one side wins at the expense of the other. The article provides examples of win-win solutions to negotiating who gets the last toffee between children, such as splitting it or taking turns choosing and splitting. It also briefly explains gaming theory concepts of non-zero sum and zero sum games as they relate to win-win vs win-lose negotiations.