Why do people tend to hold onto nostalgia and resist accepting changes in close relationships?

What can animals teach us about love, loyalty, and the true meaning of life that we sometimes forget as humans?
What is it like to socialize when hearing loss makes conversations difficult?
What do you miss the most about having someone special to share your everyday moments with?
Does the legal theory of "officer-created jeopardy" change how you would approach a potentially dangerous traffic stop?