"An interesting theory." Snape was a little annoyed that he couldn't immediately disprove it. He had only seen Lily die in dreams. And if it turned out that he could see the bloody horses now, after Dumbledore, he would have no very high opinion of their definition of 'caring.' He flipped his book open again, an automatic gesture against unwelcome thoughts. "Perhaps you ought to come and guest-lecture," he offered dryly.