"Okay," he said, cringing. I snapped the drapes closed and he doubled over to his knees.

"What happened? How do you feel?" I asked, stooping down beside him.

"It was painful, but not as painful as before."

"And you didn't blister this time," Amy said, jotting down the results.

"Again," Kellen said, rising to his feet.

"Do you need to rest?" I asked instinctively.

Kellen smirked. "I'm a vampire. We don't need rest."

"Do you need a ...