"Geez, its only been five for me," Peter laughed. "We're probably neighbors and never knew it. You know, even--"

He caught himself before he said 'even Sylar lives there', because that would possibly be the worst way to find out your murderer was living under the same roof ever. And oh god, how was he going to explain all that to Nathan?

Well, that effectively short-circuited his good mood, so he might as well ask. "What do you remember last? Before you got here?" The questions are quiet and concerned.