Most women have visions of their perfect wedding from the time they are children.
As society marries at an older age, men are often forming their own imaginary weddings as well. If they have not, it's almost certain someone in their family has taken care of the imagining for them. Realizing that there is give and take in planning a wedding is the first step. The next is knowing who should give and take. Differences between future spouses are more difficult than with parents.