There is only a minuscule chance that sexual congress will dislodge the embryo. The larger problem is that in order for implantation to succeed, the u...erus must be ready to accept an egg, and this happens only during the subject's natural ovulation period. The subject will most likely ovulate, even if implantation was successful, so the introduction of sperm may result in a second pregnancy." That's actually fairly common among our species. We call it 'fraternal twins'. Is there something. "I'm not gonna do anything." Oh," she said, still dazed. "I knew that."Joey was a bit uncomfortable with her still staring at his crotch. But DJ was more curious than anything else. They talked a lot about guys penises in Sex-Ed, but she had never seen one before. And before she realized what she was doing, she reached up and touched the tip of Joey's cock through the 'Scooby-Doo' pajamas that he was wearing."Oooooh!" Joey moaned. "Don't do that DeeJ." Oh! Sorry," she pulled her hand away. "Did. A younger, good-looking guy behind me noticed me looking around in despair."Can I help you?"I hesitated."No, thank you." But I was so thirsty."I'd love a cold beer," I murmured.I had become so hot that I contemplated removing my coat. I figured I could cool off and complete the dare. I slipped my coat off, and hung it over my arm. I immediately felt cooler, but still very thirsty. All of a sudden, I felt a cold, wet object on the back of my neck. That good-looking guy had managed to scrape me. As time wore on and night fell, Kelly Ann and J.J. began moving closer and closer together, especially after they started taking nips from a flask full of brandy Kelly had brought.Eventually, even unsuspecting Sally couldn’t avoid noticing that something was going on between Kelly and J.J., who omitted several girlish squeals of delight as they fondled each other. Unsure of how to act, Sally announced that she was tired and would be turning in. This idea was eagerly seconded by Kelly and J.J.,.