Because I haven't been to the doctor in over a year, and I hate going unless I know I have a problem they can help me with, and they are expensive. XD
Also, my mother (the holder of the credit card and insurance paperwork) has a habit of making planets out of marbles when it comes to me and that really bothers me because I'm very not-that.

I just remembered that the first time I experienced this, I had just had my first dose of caffeine in the form of a caramel macchiato with whipped cream. It was a Wednesday and I was short on sleep and had a full day ahead. The second time I had caffeine (a week later) it didn't happen the same way so I don't know if it's related to the caffeine or what.