Heiji was mostly around to check up on Zelos, since the story was that he'd had gone comatose (another worrying thing -- didn't it seem like there were an awful lot of people just keeling over recently?). He hadn't been expecting to find the guy awake, exactly, but it did make things a lot more convenient.

"Hey, you're up! Listen, you got a second? I need to ask ya somethin'."