That was great! You can tell she didn't really wanna suck his dick but she did because she felt bad but she still only sucked his dick for about 10 seconds LOL!
I'm not trying to kill the fantasy or anything, because I too find these sorts of videos hot. HOWEVER, as an adult actor who has actually performed in a three-on-one (3 guys and one girl) scene, I've got to tell you that her "preference" for the supposedly better endowed guys is more about logistics than anything else. First, the "small" guy is in the back. This means that she is facing AWAY from the camara if/when she blows him. Everyday people don't realize how important camera angles are during porn shoots. The other HUGE factor is that "small" guy is having trouble getting--what we call in the industry-- "WOOD." He's having "wood issues." Needless to say "wood issues" are common place in scenes that involve three straight dudes all performing with one girl-- it's freakn' awkward... trust me. He went most of the scene with a "semi."
Her neglect of the third guy was primarily because he wasn't as competent of a "performer/professional," as the other two.