He manages to put aside his confusion and give her a sympathetic look. That must be hard, not knowing for months if what they did made a difference when the stakes are that high. He really doesn't know how she can be so calm about it, unless that's just how time travelers are. Marcos has never faced the actual apocalypse before, but that's one power he knows he'd abuse.

"...So will I." He wants to ask when it happens, but he also really doesn't want to know. "At least you know if it doesn't work out, you can go back and try again, right?