Compared with younger adults, older adults who divorce <span>seldom express regret over leaving an unhappy marriage.
When you're living with a single person for the most of your life, you will make a lot of emotional investment into that relationship which make them regret even for leaving an unhappy environment.</span>
I believe the correct answer is understanding.
Understanding is synonymous with realization, meaning that the two words mean the same. According to Kimmel's theory, when you realize some things about your own culture and others, that belongs to the understanding part of his theory of levels of social awareness in intercultural exploration.
