Hmmmm.. There are so many different kinds of people-beings… It is those we have a basic similarity — of outlook-feelings and perspectives on things that just would be naturally the same (essentially the same)-same sort of intelligence and perception,,, etc..’s……
If we truly inhabit eternity in our souls deep down (-or high-up), then -as you suggested, they -these Friends beings — are in this timeless zone… A moment of contact with them can be Enough (sometimes just to remember they exist, makes the heart come on into colour :)