Your brother's children need to know that he is their dad, not their buddy; knowing he is what I refer to as the "captain of the ship" in their family actually deepens their sense of safety and closeness with him.
The Last of the Mohicans was made in 1992, just after my mother (the next to the last of my Mohicans) succumbed to cancer. Very much in Chingachgook's moccasins, I am the last, now, of the Boleman-Herrings.
No photo, witty posting or apt political cartoon can match sitting on a park bench with a friend. No amount of clicking "like" stands in for keeping me company before a scary mammogram. Friends take that seat next to you so you don't sit alone.
It starts something like this: You go to a relative's house for the holidays. Soon, the adults start to drink a little, lose their inhibitions and start to regress to their younger selves. You start to tell old stories. Oh no, you have forgotten that your teenage children are in the room.