The “Emotion” that is most often felt when a friendship “Ends” is “Abandonment”
There might be other emotions mixed in there, but there is now a “hole in your soul”.
Very often your self-confidence even your self-image is shaken.
And, of course, you can shrug it all off and you can hide your devastation.
But you still have to live inside with your emotions in a turmoil.
The best “next step” is to join a support group of like minded people.
(People who have experienced similar losses)
The “Rebuilding Seminar” is such a group
You can learn from each other.