It may also be appropriate to mention the extending factors, such as taking into consideration the long-term financial needs of his family. Build a bond. In this case, your client can provide a pro-forma employment agreement that could be used. You need to communicate that this is a closed-ended negotiation, by empowering them with the ability to bring it to closure immediately. You need to ask them to take action.
Ball is in their court.
Keep in mind that there may be several different potential solutions that would all achieve the same results for your client. Or they may provide insurance continuation for up to one year. Brainstorm on some of the possible additional solutions and be ready to provide alternatives. The more alternatives available will increase your client's chances of closure. All negotiation is subjective, yet as we further define our position and possible actions that can resolve, we make it more objective and easier to resolve.