He shrugged a little. "It's the kind of thing you have to know what to look for," he said carefully. He was trying to pay close attention to her tone and expression, gauging her levels of openness and skepticism. Still he held back. It was one thing to drop hints; full on explanations was another, and this conversation was edging closer and closer to one.
He felt her flinch and winced in sympathy, muttering apologies, and dabbed at the wound as lightly as he dared, cleaning it thoroughly. He was trying to be as gentle as possible, but nothing really soothed the fiery sting of alcohol in an open wound. There were better, gentler cleaning agents even in this time period, he expected, but given the nature of this wound and the way people like Dean were talking... it was better to keep things quiet. Perhaps he would speak to the medics about acquiring some supplies for a personal first aid kit for future use.
His hand stilled at her declaration. "I can relate," he said, voice tight, staring back at her with haunted eyes. After a beat, he blinked and went back to carefully cleaning the bite mark. He took a deep breath, avoiding her gaze. "Zombies are a new one for me. But I'd rather them than vampires. They're slower."