It is not a win-lose situation. Submitting one to another is something married people grow in the ability to do. When opinions are deeply felt, submission by one person or the other will be way down the road. The process needed is not unlike a business situation where steps to a resolution follow a pattern and take work. Say you need to decide whether to build a wing on a factory.
Creativity is applied.
Possible compromises listed. Then consensus building begins. The compromise may be to build a smaller addition. Many readers will recognize these tools from the business world. When a woman is heard and considered, she often recognizes she has been respected.