JFK, at 40+ years old, utilized a method called Index Card Social to manage his social interactions. He would place index cards with people's names into different pockets before entering a room filled with those individuals. This allowed him to call upon each person by name without mixing them up in the same room, demonstrating his skillful compartmentalization of social interactions.
In reality, below is 少見多怪: Joe Biden 题词卡. It's just a habit. Utilizing Index Card Social can be a valuable strategy in a political campaign, enabling outreach to a diverse range of people from various cultural backgrounds.
Neither age nor bad; it's just a tiny habit. So what?