Theo smiled. "True," he answered. "Though if these myths were found by you and Grindewald when you were only 18, then surely the Dark Lord can find the same myths if he were to look," he pointed out, not mentioning that so could he. Especially now when he knew in what area of research to start.
He did not comment on the notion of Dumbledore in a romantic relationship with anyone, because frankly the idea was more than disturbing and one he'd rather not ponder.
"We all know that the Dark Lord is obsessed with immortality, perhaps it is better to give him some information, to satisfy his need to look further?"