1 Literature Review.- 1.1 Introduction.- 1.2 Marriage and the Family.- 1.3 Correlates of Family and Marital Satisfaction.- 1.4 Exchange and Equity.- 1.5 Roles and Expectations.- 1.6 Self-Esteem and Satisfaction.- 2 Satisfaction with One's Family Relations.- 2.1 Introduction.- 2.2 Descriptive Statistics for World Sample, Males and Females.- 2.3 Satisfaction Explained by MDT for World Sample.- 2.4 Satisfaction Explained by MDT for Males and Females.- 2.5 Thirty-Eight Countries.- 2.6 Prediction Success Ratios.- 3 Satisfaction with One's Friendships.- 3.1 Introduction.- 3.2 Descriptive Statistics for World Sample, Males and Females.- 3.3 Satisfaction Explained by MDT for World Sample.- 3.4 Satisfaction Explained by MDT for Males and Females.- 3.5 Thirty-Eight Countries.- 3.6 Prediction Success Ratios.- 4 Satisfaction with One's Living Partner.- 4.1 Introduction.- 4.2 Descriptive Statistics for World Sample, Males and Females.- 4.3 Satisfaction Explained by MDT for World Sample.- 4.4 Satisfaction Explained by MDT for Males and Females.- 4.5 Thirty-One Countries.- 4.6 Prediction Success Ratios.- 5 Satisfaction with One's Self-Esteem.- 5.1 Introduction.- 5.2 Descriptive Statistics for World Sample, Males and Females.- 5.3 Satisfaction Explained by MDT for World Sample.- 5.4 Satisfaction Explained by MDT for Males and Females.- 5.5 Thirty-Seven Countries.- 5.6 Prediction Success Ratios.- 6 Married Compared to Unmarried Students.- 6.1 Introduction.- 6.2 Sample Composition.- 6.3 Life Satisfaction and Happiness Explained by Satisfaction in 12 Domains and 8 Demographic Variables for Married and Unmarried Students, Males and Females.- 6.4 Overview of Explanations by MDT of Happiness and Satisfaction in All Domains for Married and Unmarried Students, Males and Females.- 6.5 Domain Specific Explanations by MDT of Happiness and Satisfaction in All Domains for Married and Unmarried Students, Males and Females.- 6.6 Satisfaction With One's Living Partner Explained by MDT for Married and Unmarried Students, Males and Females.- 7 Concluding Remarks.- References.- Appendix 1. Abbreviations and definitions.- Appendix 2. Results of regressions using MDT to explain satisfaction with one's family relations, alphabetically by country and university.- Appendix 3. Results of regressions using MDT to explain satisfaction with one's friendships, alphabetically by country and university.- Appendix 4. Results of regressions using MDT to explain satisfaction with one's living partner, alphabetically by country and university.- Appendix 5. Results of regressions using MDT to explain satisfaction with one's self-esteem, alphabetically by country and university.- Appendix 6. Results of regressions using MDT to explain happiness and satisfaction in all domains for married students, males and females.- Appendix 7. Results of regressions using MDT to explain happiness and satisfaction in all domains for unmarried students, males and females.