Informal relationships are not mere minor interstitial supplements to the major institutions of society. These informal relationships not only include important decision-making processes, such as the family, but also produce much of the background social capital without which the other major institutions of society could not function nearly as effectively as they do.
The really happy people are those who have broken the chains of procrastination, those who find satisfaction in doing the job at hand. They're full of eagerness, zest, productivity. You can be, too.