Kendra had been quiet; aside from delivering them a lunch of cold-cut beef sandwiches (extra rare, for Celeste), she'd stayed out of their way, during their research, working on brewing a potion for a customer. "Me? I'm fine... just fine. Nothing wrong here," she says, with a slight, nervous smile. A DC 13 Sense Motive check reveals that there is, indeed, something bothering her.