it played like a melody in his heart when her arms went around him and she lifted her hips , willingly molding herself to his engorged manhood ; it sang in his veins as she welcomed the first fierce thrust of his body into hers ; it rang through every fiber of his being as she matched his fierce , driving thrusts ; and it exploded in a crescendo as she cried out , `` i love you , '' her nails biting into his back , her body racked with wave after wave of ecstasy .