- contentment with one's belongings while not infriging on those of others
- fewness of wants
Husband and wife have trouble getting along with one another because they have strayed from the principles taught by the Buddha.
I find the writings to be a good read and everything is well explained by Luangta. Click on the link above and go to the chapter "Human Values, Human Worth" (you can click on the contents on the left hand side of the pdf file) to read the entire transcribed talk.