Don't Share your pen(s) with other people, even when the needle has long been adjusted. Chances are you'll give Other individuals a significant an infection or get a serious an infection from them. Previous AMY: Hey, which was seriously simple. I know the health practitioner described it to me, but https://feedbackportal.microsoft.com/feedback/idea/1f5fe191-0fc2-ee11-92bd-6045bd7b0481