很多不幸的家庭里，都有个越位的老人

Group 1 - The core viewpoint of the article emphasizes the importance of maintaining appropriate boundaries in parent-child relationships to ensure family harmony and the well-being of children [4][8][39] - The article discusses the negative impact of over-involvement by parents, which can lead to tension and conflict within the family [5][17][20] - It highlights examples of families where excessive parental control has disrupted the lives of adult children, leading to strained relationships and even separations [7][14][18] Group 2 - The article references psychological insights, such as the concept of "controlling parents," which illustrates how some parents struggle to let go of their influence over their adult children [7][22][27] - It provides anecdotes from various individuals, including a successful actress and a psychologist, who demonstrate the benefits of respecting boundaries and allowing children to make their own decisions [29][36][40] - The narrative concludes with the idea that wise parents understand the importance of stepping back and allowing their children to navigate their own lives, fostering healthier relationships [39][44]