My boyfriends shoulders hurt all the time, we were thinking its a rotator cuff injury, but its in both shoulders, what could this be?

Shoulder pain: Rotator cuff injuries with a young man can generally be traced back to a trauma that initiated the pain. Rotator cuff injuries generally do not cause constant pain, but typically pain with overhead activities, reaching, and pain at night. Other causes to the pain should be considered, including nerve related pain, especially, constant pain that is occuring in both extremities.