Stella and Theresa, Both in Their Early Seventies, Were Shocked

Multiple Choice

Stella and Theresa, both in their early seventies, were shocked to hear that one of their same-aged friends is getting divorced. The observation that couples in their age group are much less likely to divorce is probably due to:

A) cohort effects.
B) finances.
C) the need for health insurance.
D) having less energy for big changes.