From Rollins & Feldman (1970)
 

% reporting marriage is "very satisfying"

                         wives           husbands

parenting
stages:

childless                  75%               55%

1st child an infant        80%               70%

1st child in preschool     48%               57%

1st child a teenager       18%               46%

1st child leaves home       5%               12%

all children leave home    12%               22%

husband retired            45%               80%