Masturbation

"I need you to masturbate."

"What?"

"I want you to masturbate and let me know when you feel like you are about to ejaculate. Then I'll help you with some thought exercises designed to distract you from the pleasure you're feeling. It's a very common method for lasting longer." She clarified.

"Okay." John said unsure.

"Would you like some lubrication?"

"Sure."

Doctor Valentine reached into her pocket and retrieved a small bottle. She just looked at John expectantly until he pulled his penis out, then she leaned in and squirted a dollop of lube on his hard shaft. John reluctantly rubbed it in. John started jerking slowly at first, but it felt so good that he just couldn't help himself and in less than a minute his fist was a blur on his cock.

"Slow down John" Dr. Valentine interjected. "Just go slowly. That's it. Good boy."

John slowed some, but he felt closer than ever to climaxing. He had never had a sexy woman talk to him while masturbating before. And her voice was just so sensual to him, just hearing her say his name made him want to explode.

"I'm about to cum!" John admitted.

"Who's your favorite baseball player?"

"What? I don't watch baseball." John said confused.

"Darn. Okay, what's 12 times 36?"

"What?"

"12 times 36 what is it?"

"Ummm" John thought for a moment. "432."

"Wow." She said in genuine surprise. "Most people don't even get that one."

"Oh god" John barely whispered as he felt himself tipping over the edge. Doctor Valentine just waited until she saw a small bead of cum leak from the tip of his cock, then she shouted-