"Oh, just all growing up," David said, sounding a little hollow. "Well I'm glad you had good times too, in that case. It's been... a long time since I grew up. And back then, teenagers weren't really a thing." Childhood was a distant, unremembered echo, and his children came to him now as adults, almost fully formed. It was certainly a bit of a culture shock. "Can you show me the next page?"