They are clearly far more interested in each other. They REACT to each other. They don't react to him. They lean towards each other. They want each others reactions. They feed on each others need. They incite each other. He's clearly there more for mechanics than as a participant, and isn't really feeding anything to the energy there. I stand by my assessment. He's there as a sex toy that happens to have a heartbeat, and is what the girls are using to incite each other.
And , you know all this how ? BTW … you watched and made fun of the guy with a “ tiny dick” as he had incredible sex with two beautiful women . There’s a loser in this scenario and it’s not the guy with the “ tiny dick” .