Research in Germany found the most important choices among life goals that related directly to happiness included the characteristics of one's partner,a healthy lifestyle,

A) a wonderful career, a great house, and a large bank account.
B) a modest amount of exercise, positive thinking, and loving pets.
C) a proper balance of work and leisure, and social involvement.
D) a lot of kids, contentment, and good hobbies.

The research found that a proper balance of work and leisure, as well as social involvement, were the most important choices among life goals that related directly to happiness. Option A and D emphasize material possessions and relationships with children, which were not found to be direct factors of happiness. Option B mentions a healthy lifestyle, which is important but not as significant as a balanced work-life and social life.