Discuss some of the factors associated with successful marriages.

People who have successful marriages
   - are more similar in their attitudes, beliefs, interests, age, degree of attractiveness
   - assume they are similar in most respects.
   - dispositional factors associated with marital problems:
   - Narcissistic people feel superior, seek admiration, and lack empathy. They tend to have bad marriages.
   - Preoccupied and fearful-avoidant attachment styles tend to result in more marital problems.
   - Secure attachment is correlated with marital satisfaction.
   - expression of negative affect is associated with negative relationships; not expressing negative affect is correlated with good marriages.
Similarity in sexual attitudes and preferences correlates with marital satisfaction.