It sounds crazy, but at the same time it wasn't that wild considering their lives. He wasn't completely unfamiliar with the multiverse theory, but it was still pretty weird to be living it.
"Fifteen?," he managed to choke out. If she'd been here over a year and was still a year younger than him, well, he could do that math. "I'm sixteen," he offered a beat later, figuring she could do the math, too. It seemed pretty obvious to him that he'd lived through things she hadn't, if she was that young.
"What are they like?" he asked. "The other Tony and your dad. Are they like ours at all?"