To answer your Q: YES!
I am 40, and have many of the same problems/experiences that you listed. It does suck, yeah. I've also run into other people who are treatment resistant and have been living in Hell for years too. Very sad ~ but it's kind of nice to know that you aren't some rare
thing watched closely by all scientists! LOL!!
Many of the statements you said above have been both thought and said by me sooo many times. I often get irritated with myself when I find myself stuck in the "woe is me" mood. Irritated is an understatement, really, but I'm sure that you get the gist.

Just know that you aren't alone ~ not at all. Maybe that's a teeny, tiny comfort??