Foreplay is awesome, you gotta love getting that hot girl naked and enjoying some oral exchange before the sex. Heather Vahn is especially good at sucking dick. Part of the reason is you can just tell how much she liking having a throbbing cock between her lips, tickling her tonsils. She loves making men feel good and works hard to prefect the oral arts. But she also likes when she gets to lie back and let Eric John eat her pretty shaved pussy. You ever hear of mirror neurons? Basically when seeing stuff in action by other people, there are neurons that fire in your own brain to be able to "empathize" with what's going on with other people. This process helps with receiving social cues and such. So when you’re watching two people Like Eric and Heather fuck you’re aroused and want to fuck too. But it also helps that Heather has a killer body and loves taking the dick. So when she fucks Eric so hard he barley has time to pull out and cum on her belly you can’t help but jerk off. It’s science