Marco wouldn't admit on the point of death that he'd gotten used to making sure a certain freckled idiot was safe before going to sleep each night, and therefore, having Ace not on deck was making it hard to sleep. It wasn't going to give him nightmares about the time just after Thatch's death when Ace ran off alone to avenge the man, but it wasn't exactly a peaceful thought to drift off on either. Besides, if he had one job here other than trying to keep Ace and Thatch from dying several times over again, it was looking after Ace's beloved crew as much as possible.

So as a blue phoenix he quietly made the rounds. Which was how he found the doctor, practically in a nest of junk, and thus whistled in phoenix, forgetting that he should switch back to human form first. "Eh? What are you doing?"