Make a list.
A helpful strategy is to rate each item on your list on a scale of one to ten (ten being a very strong preference) to show its importance to you, suggests Claudia Six, Ph.D., clinical sexologist and relationship coach. For example: “I want my ex-wife’s parents to attend, and that’s an eight for me. I feel pretty strongly about it.” The other person may say: “My objection to your ex-wife’s parents being there is a two, so let’s invite them.” You rate your preferences and go with the highest rated option. Read full article by Jenn Sinrich in Martha Stewart Weddings