I was standing in the bathroom, watching myself in the mirror, and noticed there are small fruit flies in my two front teeth. Not stuck in between the teeth, like food would get caught, but actually engrained in the enamel as if it was a cast of a tooth and a fly happened to get in. So I started brushing. Slowly, more of the flies would be revealed as the enamel on my teeth wore off, and I could only stop brushing when I could finally get them out.