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The long silence continued on the phone. Dr. Morgan knew Trudy was going to be upset to find out Ritchie would need to be tested again, but she didn't expect her to be speechless.
"Trudy, you there?"
Trudy was trying to compose herself. She was furious at the doctor, as she had not explained the possibility that the test may not work the first time. She had agreed to help in the test, even though it meant letting her son fuck her, but she fully expected it to be a one time necessity. Now to find out that wasn't accurate, made Trudy feel like hanging up the doctor, and never going back to Dr. Morgan. What Trudy was pushing deep down inside her, was her true feeling of excitement, that she had an excuse to have her young son's cock inside her again. She was already getting wet at the thought of it. The doctor spoke again.
"Trudy, did we lose connection? You there?"
Trudy had finally calmed down enough to speak.
"Yes Bev, I'm here, and I want some answers. Why the hell didn't the test work the first time? You made it sound like it was a for sure thing, and now you are telling me that you are going to have my son be tested again. A test that requires me to let him fuck me. What do you have to say for yourself?"
Dr. Morgan was just happy she wasn't being yelled at this time.
"I am so sorry Trudy. I didn't intend to mislead you. No test is 100%, 100% of the time. I believe the problem was that we had Ritchie fuck you while on his knees. He wasn't exerting enough, and we need to get his heart going a bit more. Not too much more because of his frailty, but just enough that we get viable results. I promise we just need to do this one more time. You think you're up for it?"
Trudy's body was feeling warm. She wasn't sure if it was anger at the doctor, or if it was the thought of getting fucked by Ritchie again.
"Well I don't have much choice, do I Bev?! When can we get the appointment?"
Dr. Morgan was elated Trudy was wiling to help with the test again.
"Would tomorrow afternoon work for you?"
Trudy was relieved she wouldn't have to wait long before doing the test again with her little boy. She made the appointment for right after school, like she did the first time. She told Ritchie about the situation, and she could tell he wanted to jump out of his computer chair, he seemed so overjoyed. The rest of the night was a bit awkward as all throughout family dinner, mother and son kept sneaking glances at each other, both wishing the could fast forward to the appointment tomorrow. Both went to bed thinking about each other, and both touched themselves under the covers.
Trudy's shift seemed endless, as she was even more nervous than she was the first time, at what she needed to do with her son. After work she sped to school, and picked up Ritchie. Right when he got in the car she asked for a kiss like always. Ritchie's kiss lingered longer than normal. It did not go unnoticed by Trudy.
"You ready for your appointment?"
Ritchie signed to her, saying, "Can't wait." He gave her a big smile.
"That's mommy's brave boy. Now I need to explain something Ritchie. I was willing to help in the test, and letting you put your penis in mommy's vagina to do it, but you were supposed to orgasm and that would be it. The problem with that is, you lasted too long, and you made mommy orgasm first. Now that is very impressive for a boy so young, but in this case it was a bad thing. It's inappropriate enough for a mother to have sex with her son, even for medical purposes, but for a mother to orgasm all over her son's penis, is completely wrong, no matter how amazing it
feels. "
Trudy couldn't believe she added that last part.
"So since we can't have you making mommy cum, I have a plan. We need to get you ready before we go into the doctor's office. So when we get there, I will find a parking spot away from the other cars, and I'm going to take your penis out, and rub it for a while, to get you closer to orgasm. Once you feel you are fairly close, give me a thumbs up, and we will run inside and start the test. I called Dr. Morgan before I picked you up, and she said she would be ready for us, and no wait. You OK with mommy's plan?"
Ritchie tried to contain his excitement, but he felt he wanted to push his luck, and put his index finger to his lips, then down to his crotch, all while giving a devilish grin to his mother. Trudy knew right away what he meant.
"Ritchie! Are you asking your own mother to put her mouth on your pee pee?"
Ritchie nodded yes vigorously.
"You are being a naughty boy Ritchie! It's mommy's hand, or nothing! Take your pick!"
Ritchie quickly apologized, and kissed his mother's right hand. A few minutes later they arrived at the doctor's office. The parking lot was shared by several businesses, and was packed, but Trudy was able to find a spot far enough away, no one would see what they were doing. Trudy turned to her little boy, and spoke in as a reassuring voice as she could.
"Ok baby, you ready? You think you can do this? Remember, don't orgasm here! Tell me when you are close, so I can stop, and we can run in, ok?"
Ritchie just gave her a thumbs up and smiled. Trudy reached down, and lowered his zipper. She reach in and separated the slit in the front of his underwear, exposing what to her, was the prettiest cock she had ever seen. He was still a bit flaccid, so she wrapped a couple fingers around his shaft, and started rubbing the tip with her thumb. Soon enough, his little cock grew in to the impressively thick cock she had in her during their last visit. Her hand was now fully on her son's penis, and she was slowly stroking it. Ritchie had his head back, and his eyes closed, moaning as his mom worked his shaft. She stopped suddenly, and Ritchie opened his eyes to find out why.
"Oh Ritchie, I'm so sorry! his must be hurting you! Let me lube it up!"
Trudy spit two big gobs of saliva onto her hand, and then worked it in onto his shaft, and cock head. This made Ritchie moan even louder. The feeling of his mother's saliva on his cock was an intense turn-on. Trudy increased her hand speed, as it was getting close to their appointment time. She coached him one more time.
"Remember to warn me when you are close, and don't cum here!"
Ritchie nodded yes, but after another 4 minutes of his mother expertly tugging his cock, he still gave no signal. Trudy was getting frustrated, and didn't want to be late. She new it was wonderful her son could last so long as he would grow up to make a woman very lucky, but right now they had a test to do.
"Ritchie, are you close at all now? We are running out of time."
Her son just gave her a shrug as if to say he wasn't sure.
"We will have to figure something out inside, we are out of time!"
They jumped out of the car, and Trudy grabbed his hand, and they ran as fast as they could into the doctor's office. Once inside they were quickly ushered to the same room as before, and were told the doctor would be in shortly. Trudy grew annoyed as Bev had told her there would be no wait. At least now she had time to figure out a new plan.
"OK, Ritchie, you think if mommy start rubbing your penis again, you might get close?"
Again, he simply shrugged.
"Ugggh! OK, we don't have much time, so mommy will do what she has to."
Trudy walked over and pulled down Ritchie's pants, and stared at his cock, mesmerized at it's beauty. She then licked her lips and began to lower a knee, when the doctor's quickly stepped in.
"Sorry you two! I didn't men to make you wait at all, but I was finishing with another patient! Oh I see you two started undressing. Good. Go ahead and both of you get fully naked, so we can start."
Trudy shot a look at Dr. Morgan.
"Wait, why do I need to get naked?!"
Dr. Morgan was ready with her explanation.
"Trudy, I'm thinking that maybe if you are naked it will help get Ritchie to orgasm faster. You have an incredibly sexy mom bod, and I'm sure he would be excited to see it."
Trudy started to blush. Bev calling her body sexy made her happy, especially from a woman Trudy thought was extremely attractive, and had gotten even more so as she aged.
"Well, I appreciate that Bev, but I don't know. Fully naked in front of you and my son?"