It's good like this, but something's missing, maybe, or something could maybe be changed. He can go deep like this and he loves it, loves the feeling of her under him with her legs twined around him, but...

"Hold onto me," he says, pressing a kiss to her jaw, and wraps his arms around her waist as he rolls them both up, lifting her, settling back so he's sitting with his back braced against the wall and she's in his lap, straddling him. The friction of the movement is sharp and he stills after it, trying to get his breath back.