I'm very surprised that a GP told you rheumys can't help! I don't go to one, but from the posts here, that's one of the most common kinds who do treat us! Yes, people can be so unempathetic when it comes to someone else's pain. I've lost some friends over this, too, and it hurts.
At least, your partner has you, and that's a big plus.
...fibromyalgia, hearing loss, elevated liver enzymes, skin grafting (back), arthritis, scoliosis, lumbar disc damage, sciatica, IBS, migraines, tachycardia, cancer surgeries (face).......I take Nortriptyline & Clonopin daily, and Darvocet as needed