I understand it is normal human behavior to focus on negative things and an evolved survival trait. But it is kind of sad that no answers have any positive thoughts about the future. So I will try one:

Computer and robotic technology will improve and get cheaper. It will become feasible for home bound people to be able to have some sort of participation in society through telepresence.

If your mean the next big architecture, sure. If your meaning literal cores, they still have a long way to go. I’m sure they will have competitive performance eventually, but not real soon.

When mine did that it required a battery replacement. Got replacement from this site: https://batterysharks.com/. Also, maybe you should stop doing things that aren’t absolutely necessary until you’ve taken a nap.

My understanding is that depression and anxiety are not uncommon for people with untreated ADHD. So it might be that your struggles with ADHD are causing depression.