AB2371,
I am not sure either what being on time had to do with it, .... I have Issues trusting others, even professionals due to - well - just one of my struggles and I don't want to ramble

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I hope this comes across ok enough:

From my understanding, diagnosis help doctors and professionals with treatment plans for a patient.
Or in another way to look at it : diagnosis are labels to better address symptoms that one is going through, in Hopes for better trearment plans and management of the symptoms or "issues " that the patient is having. For a better life.
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Of course that's my understanding.

I hope you the best!! And agree that addressing the symptoms goes a long way.
I also think education and understanding goes a long way too. ((Though if I could retain it all, all the time )).