It's my opinion and/or feeling you were actually there. I've had (not a lot) a few experiences like what you've described. The part where they tell you, "You can't (or are not allowed) go any further really caught my attention.
Going back, if I had to, to describe it, it's the biggest tug or weight a person could ever feel.
In all of my experiences it's one of the most purest ones of love we can have. When you are sent back, there are so many feelings - they don't have there that we didn't even know we've become accustomed to here. Even gravity has its issues.
But the communication, the level of it I mean. It can't be duplicated here. No matter how advanced we perceive ourselves.
They already have it perfected. We're lucky where if the we're able, we're allowed, if just for a moment to go back to the most essential element we come