Ha ha, I love that. Shouting instructions.
When I was travelling for work and had many affairs it was certainly better to go the whole hog, romantic dinner in the restaurant, take the wine up to the room, use the cognac from the minibar, all as sex aids expanding the eroticism.
One night when I was in a Chinese gf's place made up as divided partitioned off rooms even us 2 lovers had to muffle our laughter as the obvious shouting intermingled with what could only have been balls slapping against ass noises echoed through the thin walls.
I really wanted to shout instructions to them but my partner shut me up, also laughing as she sat on my face to muffle me! lol.