I haven't seen anyone mention Honest Meditation here, so my apologies if this has already been recommended. As someone with too much anxiety mixed with ADHD, I never found the usual meditation videos and apps that helpful. I get bored way too easily and I have trouble being alone with my thoughts. As a result, I either spiral into a bottomless abyss of anxiety or fall asleep from lack of interest.
Enter, Honest Meditation.
I don't know what it is about cursing, but it's such a freeing feeling to have someone calmly acknowledge all the bullshit swimming in my head as soothing music plays softly in the background. I think the swearing keeps my brain engaged. Check it out y'all:
He also has an app, but it ain't free: https://itunes.apple.com/app/id1059195733
And for all the Android folks: https://play.google.com/store/apps/details?id=com.jasonheadley.hnestmeditation
Take the diagnostic! It's hard to avoid feeling bummed out by a low score, but that's why you're studying. Don't feel discouraged -- most of us started out with barely any of the skills necessary to succeed on this exam. If it's any comfort to you, I've improved by 21 points since my first diagnostic! It just feels good to look at your analytics page and literally see the results of your hard work.