Now, sitting on the crinkly paper of the examination table in Dr. Scott’s office, you study the marks. Four tiny punctures, arranged in a neat little square. The skin around them is faintly pink, but not swollen. No itching. Just… there.

Next to them, higher up your arm, are two thin, pale lines. They look old, like faded scars from a cat scratch you don’t remember getting. They weren’t there yesterday.