It's not usually what we do in our daily lives that causes neck and shoulder pain, it's the way we do it that is the cause.
Stop and pause for a moment and see exactly how you are engaged in what you are doing. Then step back from what you are doing, and redirect your attention to what you are doing in your mind rather than your physical body, and see how different you feel.
Apply the Technique to the causes, in any area of your life, to help release you from the symptoms you are experiencing.