What kind of regrets does Tom Selleck in his role as Paradise police chief say that anyone who lives long enough will face in the Jesse Stone series?

In the Jesse Stone series, Tom Selleck's character, Chief Jesse Stone, reflects on the regrets that come from choices made in life, particularly regarding relationships and personal sacrifices. He highlights the pain of lost opportunities and the impact of decisions that lead to isolation or estrangement from loved ones. Selleck's portrayal emphasizes the universal nature of these regrets, suggesting that facing them is an inevitable part of the human experience.