To be grateful for your family is to remember to treat them better. They could cease to exist at any moment. To be grateful for your friends is to awaken yourself to the necessity of treating them properly, given the comparative unlikelihood of friendship itself. To be grateful to your society is to remind yourself that you are the beneficiary of tremendous effort on the part of those who predeceased us, and left this amazing framework of social structure, ritual, culture, art, technology, power, water, and sanitation so that our lives could be better than theirs.