Echoing other suggestions, let her know that you understand that she does not feel comfortable signing it. Tell her you will need your agreement in writing. Inform her that if she decides not to sign at this time, you're going to discuss with your lawyer on how to proceed.Itu2019s not an ultimatum or a threat, just a simple course of action in resolving a matter. It may make you feel better about the situation to reassure her that your goal is to have an agreement that you both can live with. Conversation sets the stage for your actions.You just want clear expectations so that youu2019re both on the same page. This will prevent further misunderstandings and make your lives easier going forward.Your lawyers can answer on how to help you both understand how to renegotiate terms for when your initial agreements no longer work for both parties. Neither of you need to feel stuck.Thank you for reading my answer. I really hope this helps give you the confidence in dealing with your situation. Everything will work out. There are just steps involved. One conversation at a time.