She pictures him coming, tries to imagine what the look on his face would be and she wants him to, she wants him to tumble over that edge with her.

She knows that they are playing with fire and she will feel awful about it later but right now all she can feel is need. Deep, burning need and pleasure coiling tight inside her until it bursts and she is calling out his name, grabbing at his ass while she presses herself hard against him without thinking clearly (or at all).