Well looks like I’ve got to stop playing Halo for a while, or maybe forever. When I play Halo (or use any device in a sitting position) I get a bad pain under my right shoulder blade. During the day when I’m active and doing various things the pain is not there. But each evening when I sit down to eat and then watch TV and use my computer etc. the pain start increasing. When wifey goes to bed and I play Halo it’s gets really bad. Standard pain meds help a bit as does a heating pad, but tonight it hurts too much - can’t play well at all.
I’m 63 and my advice to you is this: don’t get old for cryin’ out corn.