Pull the Ramp to the edge of the bed. She lies back, then shimmies all sexy-like up or down until hers connects with his. She can hug him in tighter with her legs.
Control. Standing up, he’s got more depth control and can exercise every thrusting possibility. Shallow-shallow-deep, shallow-shallow-deep. Or deep-shallow-deep-deep. He can vary his strokes, play with tempo and timing and bring them both to the big finale together. Encore?