My teacher caught on real fast and put a stop to it. В He started guys guys guys, you dont just put it in and then boom a baby. В He used his hand to demonstrate one insertion. В Men ejaculate millions of sperm cells at a time. В It takes one to fertilize but millions die on the way there. В Its more complicated than that. В Some people are healthy and its not easy for them to get pregnant. В But it can happen with unprotected sex, so cover that up fellas.