Most studies of marriages of long duration find that compared to ...

[LCritchfi]

Most studies of marriages of long duration find that compared to younger adults, the elderly are
 
  more open to the possibility of divorcing.
  happier in their marriages.
  unhappy, but not inclined to divorce.
  less committed to marriage as an institution.

Question 2

Compared to single older adults, elderly partners tend to be
 
  happier and wealthier.
  happier but poorer.
  poorer and less happy.
  similar with regard to happiness and wealth.

[katieost]

Answer to Question 1

happier in their marriages.

Answer to Question 2

happier and wealthier.