Sex is a wonderful experience, something that everyone has looked forward to at some point. Especially for young boys and girls, listening to stories from those more experienced can stir their imaginations and cause their inner "libido" to run wild, conjuring all sorts of magical images in their minds.
While Cas can't describe how it feels (it’s too daring to write), we can tell you about the ten physiological changes that occur in both men and women during arousal.
Let's learn and explore these with Cas!
1. Response to Touch and Pressure
One of the most distinctive features of any living organism, including plants, is the ability to respond to touch. This applies to all life forms, from single cells to humans. If the touch stimulus is rhythmic or the pressure is prolonged, a person’s response level can continuously increase, leading to muscle tension and neural activity, commonly referred to as a sexual response.
This highlights the importance of foreplay!
2. Heart Rate Changes
An accelerated heart rate is the most noticeable reaction to stimulation. People generally agree on this point. Normally, the heart rate is around 70-80 beats per minute, but during vigorous lovemaking, it can reach 150 beats or more, similar to physical labor.
Many can observe their own and their partner’s accelerated heart rate, such as through rapid breathing.
3. Capillary Congestion
During sex, the parasympathetic nervous system receives various stimuli, promoting faster arterial blood flow and causing capillaries throughout the body to become congested. This often results in a flushed face, and at the peak of stimulation, some people's faces may turn deep red or purple, including their cheeks and throat area.
During lovemaking, body surface temperature may increase due to capillary congestion and muscle nerve tension, even making cold feet warm. Hence, the term “fever” is often used to describe this phenomenon.
4. Swelling
Men are particularly familiar with and sensitive to this change.
After the touch stimulus begins, within seconds or minutes, many organs become swollen, enlarged, and hardened due to congestion. This is true for both humans and animals, men and women.
For example, a man's penis can swell to 1.5-2 times its normal size; a woman's vagina enlarges and becomes erect, with the labia minora swelling and protruding; both men and women's nostrils may widen due to the swelling of nasal wings.
5. Oxygen Deprivation Symptoms
This is akin to the final sprint in a race, occurring at or near the peak of pleasure. However, in reality, many are unaware of these oxygen deprivation symptoms, leading to some women faking pleasure, trying to appear as if they are enjoying themselves.
In fact, the opposite is true. Due to oxygen deprivation, women reaching the peak of pleasure cannot exhibit a happy expression. They might look more like athletes gritting their teeth, or even appear ugly.
6. Lubricant Secretion
When stimulated, a woman's Bartholin’s glands secrete a clear, lubricating fluid, distinct from vaginal secretions. This is also one of the most significant signs of female arousal. Additionally, the vagina itself produces a lot of secretions, with data showing that the more fluid secreted, the more aroused the woman is.
For men, it’s more obvious, with the prostate gland secreting fluid as the main lubricant. Apart from sperm, semen primarily consists of this fluid.
7. Saliva
During lovemaking, saliva production increases, especially at the peak of pleasure, allowing the mouth to be full of fluid while kissing freely. This necessitates continuous swallowing of saliva.
This might be due to the increasing tension of the throat muscles, making it difficult to swallow saliva conveniently.
8. Reduced Sensory Perception
Research has found that after stimulation, people’s light sensitivity decreases, sometimes completely disappearing. Some lose sensory perception for several seconds or minutes at the peak of pleasure, a phenomenon some call the "little death" or "sweet death."
This could be due to psychological factors or physiological reactions, which we won't delve into here.
9. Central Nervous System
Stimulus information affects the entire central nervous system, causing various psychological barriers and discomforts to disappear. For example, someone who stutters might speak fluently, and those who usually gag when objects touch their throat might not react at all.
Most people gain abilities during sex that they normally wouldn’t have, not because they gain extra powers, but because they break free from their usual limitations.
10. Other Body and Muscle Movements
Legs might tightly close, toes point and stretch, legs and arms may stay raised for a long time, fingers may grip tightly or spasm.
Abdominal muscles move too quickly for the eye to see, chest muscles form curves and lift high, neck muscles become tense and stiff, facial muscles tense to the point of pain, and eye muscles may move so rapidly that vision cannot focus.
Sex may seem simple but is a complex activity. There are many more physiological reactions during lovemaking that we need to explore. Of course, if you want to enhance your sexual experience, we recommend some of the best sex toys:
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