Nico did too, but like Marco, he was in no hurry. They either had all the time in the world, or one of them would disappear tomorrow, and either way, nothing would be helped by rushing things. And this was really fun on its own.
He grabbed the DVD player and started up whatever he had in there, leaning against the wall of the cave with a pillow. Even if Marco couldn't help him solve whatever was wrong, maybe he could distract him. And maybe that would be enough, at least for a little while.