*People are angry over Brexit because it is being forced on them, there are no satisfactory answers and they have no control over it. They can't 'heal' themselves because they can't do anything to influence the outcome.
Surely you can see the difference?
Or maybe you genuinely can't, which would explain quite a lot really.*
Unexpected Relationship breakdowns are often forced on people.
Unexpected death is forced on people.
Unexpected job loss is forced on people.
Unexpected serious health problems are forced on people.
Unexpected homelessness is often forced on people
I could go on...,
Surely you can see that a referendum to leave the EU is (for most) rather less traumatic than the above?
Or maybe you genuinely can't, which would explain quite a lot really....