Sexual intercourse is sex with penetration of the vagina or anus by a hard penis. A man who is aroused can get an erection. The penis swells with blood.

Penetration of the anus
What Does Sex Feel Like For a Woman?
Just as women can have different sized breasts, hands, and feet, the size and depth of vaginas can also vary. According to one study, the average depth of a vagina is about 3. Other sources suggest that the average range of size may be about 3 to 7 inches approximately 7. In fact, the depth of the vagina from the opening to the tip of the cervix can measure anywhere up to 7 inches Several types of tissue line the inside of the vagina, including the mucosa. The mucosa is made up of specialized cells that secrete a lubricating fluid, which helps the vaginal walls to stretch.
Take The Quiz: Do I Give Good (or BAD) Blow Jobs?
They say size counts, but, let's face it, it's not always a man's size that determines how his manhood holds up in lover's lane. There are a myriad of myths that surround a woman's Mount Pleasant, and while a man's measurement is often called into question, the size of the camp ground is another rumor that suggests how successful a stay the trip was. There exists a misconception surrounding vaginal tautness, with virgins being tighter and promiscuous women being looser, and we hope to dispel these rumors thanks to the help of Psychology Today , as well as input by sex therapist Dr. Ava Cadell , founder of LoveologyUniversity.
An unbridgeable gap in understanding. But we asked a bunch of straight men to be as descriptive as possible when telling us what it actually feels like to put their penis in a vagina, so we can all get a little closer to understanding. All names have been changed, because few men want to publicly declare what sex feels like on the internet. Everything spent, but too weak to just roll over. Especially when the vagina is really tight and wet.