He felt ungodly weary, his mind and emotions wrung out and exhausted from the ordeal, but he could no more disobey Leeloo than stop the sun. He took her hands, and followed. Peter hesitated for just a moment, having noted her small intake of food, and glanced between her and the plate before he let himself step away.
His own metabolism ran high, they both knew that. But hers was higher than a human as well - with the way her cells worked, the sheer amount of nanogroups each one held, Leeloo burned through energy quickly herself. It was part and partial with the whole 'perfect being' gig - phenomenal cosmic power, needing more fuel to sustain it.
Had she sated her own need? That was the question in his mind and eyes in that brief hesitation.