"I wouldn't have minded," Q says truthfully. "A bit messy, but effective. No, he miscalculated how his exulting over the possible success of the maneuver would affect me. It was sort of like a power surge. I couldn't take it and passed out." He makes a face. "Very nearly fried my brain."
Q mentally notes the title. "There are scads of astrology books," he tells Severus. "Muggles are quite enamoured of the subject."
"He never referred to himself as Riddle to me." Q frowns, thinking. "Ah! There's a muggle composer named Riddle. Perhaps that's what I'm remembering." Q giggles, then stops abruptly. Severus wouldn't joke. "Er no. It's a whaddyacallit. An acronym. The letters stand for something. The C is for computer and," he rubs his forehead trying to recall. "I can't remember what the A and T stand for. It's a bloody great machine they put me in to take pictures of my body. Especially my brain. To assess the damage," he adds helpfully.