In some negotiations, the parties may reach a point of where it seems that there is no energy or creativity left to settle the last issue. This can be caused by:

•the cumulative effect of their concessions can overwhelm the parties 

•a party may feel ambivalence about ending the and that feeling may prevent them from coming up with a solution

John Wade wrote a fascinating article, "The Last Gap in Negotiations: Why is it important? How can it be crossed?" and suggested multiple ways to close the last gap including:

Nothing in this podcast is intended to be legal, financial or mental health advice.  You should always consult a professional for advice in relation to your specific circumstances.