A second issue is whether the substantive provisions of a contract are even handed, or strongly
favor one side or the other, which seems to be what you are
talking about and is not normally considered a «
style» issue.
A huge factor in the success of a relationship is good communication.1 If you and your love interest have similar communication
styles, such as both being willing to
talk openly about points of conflict rather than one of you withdrawing, and you can openly communicate despite whatever language or cultural barriers exist, that's a point in
favor of your relationship.