I copied this out of Finding the Love of Your Life by Neil Clark Warren. He's the guy from eHarmony.com. He says: "The vast preponderance of research proves that you tend to be happiest with someone a lot like you...One of the most important principles to follow in choosing a mate revolves around a highly established reality: Stable and satisfying marriages usually involve two people who are very much alike."
Helpful Marriage Similarities
1. Socio-economic background of family
2. Intelligence
3. Formal Education
4. Verbal skills
5. Expected roles for both persons within the marriage
6. Views about power distribution within the family
7. Desired number of children
8. When a family should be started
9. Child-rearing views
10. Political philosophy
11. Views about smoking, alcohol and drugs
12. Amount of involvement with in-laws
13. Sense of humor
14. Punctuality
15. Dependability
16. Desire for verbal intimacy and ability to be intimate
17. The role of conflict and how to resolve it
18. The way to handle anger
19. How friendships with the opposite sex should be handled
20. Expected amount of privacy and rules for its use
21. Level of ambition
22. Life goals
23. Attitudes about weight
24. Faith and spiritual beliefs and preferences
25. Amount of church involvement
26. Family spiritual involvement
27. Hobbies and interests
28. Type of music enjoyed
29. Energy level for physical activities
30. Sexual drive and sexual interests
31. Amount of income to be spent and saved
32. How money should be allocated - clothes, vacations, etc.
33. Amount of money to be given away and to whom
34. Degree of risks to be taken with investments
35. Attitudes about cleanliness - house, clothes, body, etc.
36. Ways of handling sickness
37. Health standards - when to see a doctor
38. Interpersonal and social skills
39. Amount of and type of social involvement preferred
40. Geographical area in which to live
41. Size and style of house
42. Type of furniture and decorations
43. Amount and type of travel preferred
44. How to spend vacations
45. How to celebrate major holidays
46. How much time to spend together
47. When to go to sleep and get up
48. Temperature of home during the day and night
49. Activity during meals - talking, watching TV, etc.
50. Television programs preferred
