Feeling Althea's hand on his shoulder, Zac looks at his friend and sees the concern in her eyes. Offering her a wan smile, he says, "Yeah...yeah, I'm fine. Just thinking..." Sighing, he rises to his feet and says, "I think I'm gonna turn in early tonight. I'm...I'm just not feeling well." Without meeting anyone's eyes, he turns around and walks into a nearby building, disappearing into the shadows as he leaves the warmth of the firelight.