Attraction and chemistry between models is always hard to predict, and while we always try our best to make educated guesses when planning our shoots, we never really know for sure until both guys are together in the same room and the camera's turned on. Sometimes, the models just never vibe and the scene turns out to be a dreadful disaster. Other models can barely stand each other OFF-camera, but have enough of a physical attraction to still produce a good scene. And every so often, the stars seem to line up just right and you can just tell the models are naturally into each other and looking forward to what's about to go down. That was definitely the case with our latest pairing between fan favorite Diez and our sexy new model Sosa. When Diez returned from a sweaty workout at the hotel gym, Sosa couldn't stop staring at the dark-skinned athlete's muscular body. Can you blame him? The attraction is real and the chemistry is adorably cute and unscripted in this action-packed post-workout session in which more than just Diez's muscles get stretched before the day's over....