This doesn’t sound normal at all. I’m in my mid 30s and I have never had debilitating pain, unable to open jars pain. Like others have said, seek a second opinion.
p.s. get a new doctor, one that will actually listen to you when you say something is wrong.
Decided to find his speech on YouTube after seeing this. He was coherent for about the first 5 minutes until he started going off his prepared speech, and God did it get incoherent fast from there. I only watched about 10 minutes, couldn’t handle anymore than that.