Especially when having sex with a new partner, you'll often find yourself literally stretching them to their limits. Different types of women have different types of limits, but you can count on several positions to really take them to the limit. Because of their internal wiring, most women are susceptible during doggie style sex. You also have a great deal of leverage, especially if you position yourself above her love canal and probe downwards into her. At times, you'll struggle to stuff more than half of your penis into her tight hole. With time, most women can be taught or stretched enough to comfortably take you from a variety of positions. But be careful, as you're wielding a mighty tool for the task.