Thanks for sharing your struggle. I'm sorry I cannot be of any help with this. However here are links to some articles from PsychCentral's archives on the subject of helping a loved one who has ADHD. Perhaps some of the information in them can be of some help:

https://psychcentral.com/disorders/adhd/

https://psychcentral.com/disorders/a...adults/#intro2

https://psychcentral.com/lib/what-if...know-has-adhd/

https://psychcentral.com/blog/5-sugg...one-with-adhd/

https://psychcentral.com/lib/recommended-books-on-adhd/

https://psychcentral.com/disorders/a...ing-with-adhd/

https://psychcentral.com/blog/adults...t-things-done/

https://psychcentral.com/lib/adhd-an...hs-to-succeed/

My best wishes to you & your family...