Big Tits Doc Body Exam Turns Into Oral Creampie

You are at your annual check up and your want the doc to cover all of your body to make sure everything is ok. She takes a look and, all systems go and while at it she offers to take a sperm sample also. Your hard cock is ready for it but she can't get the sample out so she keeps going and going and going with different ways to get it. How long will it take for you now?