From Gottman (1994)
 

              Couple's Interactions, 1983

                    Mostly          Mostly
                    positive        negative

1987
relationship
status
 

Have considered       33%               71%
leaving
 
 

Have
separated             17%                36%
 
 
 

"Four Horsemen of the Apocalypse"
(a negative cascade in marital interaction)

complain/
criticize --> contempt -->  defensive--> stonewall