The air in the bedroom was thick with the scent of exertion and academic theory. "Emulsion doesn't exist in the formation," I managed, my voice a strained whisper as I rode him, maintaining eye contact. "It's actually formed when the hydrocarbon enters the wellbore, into the casing, which we'll have this pressure difference that will mix the oil and water like crazy, creating the emulsions."

I panted, finally allowing the exhaustion to wash over me. Tomorrow's paper loomed, yet here I was, straddling my professor, Ray, discussing petroleum engineering.

"Tell me about emulsifying agent." His smirk was infuriatingly charming as he watched me, urging me on. I tried to speak, but his sudden, deep thrust stole my breath, leaving me whimpering and clinging to him. "Don't stop on my account." His cockiness ignited a spark of defiance. I'd teach him a lesson after this, after both were finished.