Shoulder pain in our fifties(frozen shoulder)

I began to feel pain in my left shoulder a couple of months ago. Since then the pain has steadily grown and at last I can't raise my left hand at all. It is pretty inconvenient because I have to pull off my undershirt using one hand, which makes me struggle with my head wriggling in the shirt for a while. I can't even take out anything that is in my left pocket. Strangely and make the matter worse, I have no problem with putting anything in my left pocket. This syndrome is what we call 五十肩 or "shoulder pain due to aging" or "frozen shoulder."
Yesterday I went to Nagoya again to make a final presentation. In Shinkansen train, when I was about to fall into a comfortable drowse, a conductor came to check our ticket. I looked for my ticket but I couldn't find. I was a bit upset. He was checking every passenger's ticket one by one in a very professional manner of the Terminator killing enemies one by one. He finaly stood in front of me waiting for my ticket to be presented. I got upset. I checked my wallet, my bag, and pockets of my jacket but I couldn't find. He was waiting lookig at me rather seriously. I got upset more. I at last try to check the most impossible place. The left pocket of my trousers. I stood up and dug in it. I felt something definitely like a ticket. Just as I tried to fish it out I felt an accute pain in the shoulder. It was so painful that I sat down on the seat grabbing my left shoulder firmly with my right hand as if it would ease the pain. I couldn't move. the conductor said.
"だいじょうぶですか？"
"イッイッイッIt's OK, just 五十肩"
"Ah, 五十肩" he said, apparently looking upon me as a man who makes too much of things.
When the first sharp pain peaked out, I slowly pulled my left hand out, with the help of my right hand, from my pocket. Then put my right hand all the way into my left pocket and barely picked up the ticket with my forefinger and middle finger and managed to take it out. After observing the acrobatic twisting pose of yoga, the conductor checked my ticket and gave it back to me as if nothing had happened.
After the meeting my client took me to a car museum. I had not been interested but couldn't refuse the kindness. But When I went it was more than I expected. My younger days all came back to me. The car in the picture was the same type of my first car which I bought when I was in college. Good old days?