1) God (if you're a person of faith)
2) Spouse (if you're married)
3) Kids (if you have them)
4) Extended Family
5) Friends and Community
6) Career, Hobbies, pretty much everything else
If anything gets out of order, especially for a long time, and especially high up in the list, nasty long-lasting problems occur. If you keep this list in mind and act accordingly, your chances of having a supremely happy life go way up.