When they parted, Sorin's breath stopped. His heart hammered up into his throat and his eyes flew wide. Had he really...? No, he was just imagining things, because he hadn't seen that coming. At least, not yet. It was the first truly impulsive thing he'd ever done, and he was suddenly afraid. He retreated to the wall and pushed himself into a standing position, swallowing several times in the process.
"I am sorry," he offered brokenly, his words hesitant. "I - I have never - I should not - I should go."