The hormones kick in as he finishes up planting his eggs.  Her nerves are suddenly overcome with a hostile change.  Every movement against her skin, every egg inside of her, her entire sense of touch is amplified.  At the same time, aphrodisiacs are running rampant through her bloodstream, causing an almost pleasant feeling when combined with the nerve altering chemical.  Now complete with his rigorous activites, the beast releases Kelly, plopping her down next to Andrea.  He removes any organs he might still have in his victims and retires to the nest entrance.  He was too tired to seal the entrance now; Now he planned on resting, or nabbing any escapees.  Ceasing movement, the creature leaves the two women alone in the pool... along with their new friends.