Why doesn´t cutler have 2 girls with him to every workout as joey?

For one, this guy is about half the size of Jay, not nearly as many veins as the usual BBer (Jay isn't really vascular at all, but I'm assuming you're using Jay as someone in particular- not that you mean him only?), and he is far more entertaining than any meathead BBer. There is a reason why BBers get that meathead stereotype...it's true.
You'll also notice, when walking in with those girls, he's not holding their hands or hugging them. The only time they're touching him at all is when "it's called for" in the video. He's probably as gay as Richard Simmons...and that combined with being entertaining the hotties find him sociable.
And lastly, could it be that the fag is on TV? They're seeking attention just as he is, and being on TV, in this instance, is the way to get it.