Marriage satisfaction = love making - fighting
You are in error sir. Marriage Satisfaction = Fighting (or Total Conflict) - Unresolved Conflict Conflict among other things brings you closer together. A couple who "fight" well will stay together.
marital happiness = rate of lovemaking - rate of arguments
Source: http://books.google.com/books?id=_0H8gwj4a1MC&pg=PA393&#...