My heart began to race. My chest began to hurt. It felt as if the floor dropped out from under me and suddenly I didn't know where I was or what I was doing. It became extremely difficult to keep my balance. I felt cold, but was sweating profusely by this point. My hands proceeded to tremble as my stomach heaved. I thought, "This is it. I am going to die." It felt funny, so unexpected. There was still so much left undone, still so many many years left to live.
The feeling continued. I felt the beginnings of a headache. I felt a very sharp, piercing pain under my left arm. I knew it was the end. At any moment I would at last know the unknowable. I had trouble moving. I just stood there breathing, wondering which breath would be my last. When, suddenly, the feeling disappeared.
And I felt...