More than willing to back off to give Ray his turn, he took the opportunity to smile down at Julien, letting his hand finally dip under Jack's waistband to tease fingers along the swell of his ass, hoping to add something to the kiss.
There was a momentary surge of jealousy as he watched Ray kissing Jack, which seemed ridiculous enough for Greg to just swallow it down; although it did prompt him to lean forward, placing a bite to the join of Ray's jaw and neck, coupled with a harsh jerk of his hips, to remind him of his place.