Hi,
The fact that this comes 5 years after your Dad's death, suggests that it's not a regular grief reaction. Grief happens after a death and remain for however long. After two years, prolonged and continued grief turns to depression.
It may be that you are developing depression. Depression causes people to get weepy over things that they know they would not normally get weepy over.
You could try counsling again, or you could try an antidepressant which you would need to get from a psychiatrist.
Nancy
Psychotherapist
ABD for a PhD in Psychology, Psychotherapist for over 20 years