When you orgasm, the brain releases a cocktail of neurochemicals that make you tired. "During sex, the brain releases oxytocin which heightens arousal and excitement," Laino told INSIDER. "But when it wears off, it can leave people feeling really tired."
SO, WHY DOES HE DO THAT? According to health experts, as soon as a man reaches orgasm, his body chemistry changes. This happens when the biochemical prolactin is released, it makes him tired and he tends to sleep after an intimate session.
While kissing isn't exactly what you might consider "exercise," the body does burn calories from kissing the same way it burns calories during a workout: through muscle movement.
That first passionate kiss can cause some people to experience a sensation of weak-in-the-knees due to high levels of adrenaline, which are also spiking in the brain.
Kissing is sweet and romantic and most kisses only last a second or two. Making out, on the other hand, involves opening your mouth and using your tongue. People can make out anywhere from a few seconds to an hour or more.
Longest Kiss
And it wouldn't be Valentine's Day without a big ol' smooch. The longest kiss lasted 58 hours, 35 minutes and 58 seconds, achieved by Ekkachai Tiranarat and Laksana Tiranarat (both Thailand) at an event organized by Ripley's Believe It or Not! Pattaya, in Pattaya, Thailand, on February 12-14, 2013.
Metabolic boost – kissing burns kilojoules. The more passionate the kiss, the greater the metabolic boost. Healthier mouth – saliva contains substances that fight bacteria, viruses and fungi. Deep kissing increases the flow of saliva, which helps to keep the mouth, teeth and gums healthy.
Kissing can spread cold and cavities too
Kissing actually exposes your body to a lot of germs and viruses. And if you are kissing someone who has cold, be ready to suffer it too. The same holds true for tooth cavities or any kind of gum disease.
When you kiss someone, your body releases happy hormones. A rush of dopamine, oxytocin, and serotonin hits your system the moment your lips lock. With this positive cocktail and a heart-fluttering kiss, you'll feel like you're on cloud nine! Lips are one of your body's most sensually sensitive areas.
The dopamine released during a kiss can stimulate the same area of the brain activated by heroin and cocaine. As a result, we experience feelings of euphoria and addictive behaviour. Oxytocin, otherwise known as the 'love hormone', fosters feelings of affection and attachment.
A passionate kiss can spike the neurotransmitter dopamine, which is linked to feelings of craving and desire. Oxytocin, known as the “love hormone,” fosters a sense of closeness and attachment. Adrenaline boosts our heart rate and can make us start sweating as our bodies begin to anticipate what might occur later.
While some guys may feel emotionally attached after kissing, others may not. It depends on a variety of factors, including the individual's personality, past experiences, and current relationship status. Some guys may feel emotionally attached after kissing because it creates a sense of intimacy and connection.
Kissing the cheek and jaws: To take a little break from your smooch, kiss his cheeks and jawline. Kissing on the jawline is a turn on for many men. You could just move your lips and use a little bit of tongue while doing this. You can also turn on a man by licking his ears.
If it feels like he's just gone out for a run, then your kiss puts his body into overdrive. You'll probably also notice that he's blushing or breathing a little more heavily. A passionate makeout session releases adrenaline–not only does it kick up his heart rate, but it also boosts his energy.
Most people can't focus on anything as close as a face at kissing distance so closing your eyes saves them from looking at a distracting blur or the strain of trying to focus. Kissing can also make us feel vulnerable or self-conscious and closing your eyes is a way of making yourself more relaxed.
Women like kissing because it is an emotionally intimate act. However, beyond the lips, a woman still desires that you explore other erogenous areas in her body during the sex act! According to psychologist and author of sex books, Dr. Jill Weber, the following are the areas to explore in your woman's body…
Today, an average kiss lasts more than 12 seconds. In the 1980s, couples came up for air sooner than that: back then an average kiss lasted a mere 5.5 seconds.
The neck kiss is exactly what it sounds like — a kiss on the neck. It's considered a kiss of passion, and shows that you're really into the lucky person who receives it. Neck kisses are usually around the nape of the neck or right where the shoulders meet the neck. Honestly, anywhere on the neck feels amazing!
It takes chemistry
That fluttery feeling you get when you're kissing a new partner – the racing heart and spiking blood pressure – comes from dopamine. It revs your engine, but you can thank the love hormone, oxytocin, for bringing you back for more years after the novelty has worn away, Kirshenbaum said.
First base includes talking through text/face-to-face interaction, holding hands, and kissing. Second base includes physical touching above the waist. Third base includes verbally sharing vulnerabilities. Fourth Base includes physical touching below the waist.
Ease back out of the kiss, keeping yourself close to your partner's face. After the kiss, pull your head back slowly to give each of you some space. If you wrapped a hand around each other, you can lightly ease off, or hold each other close for a more intimate moment. Look your partner in the eyes and smile.
Interestingly, this is largely agreed upon across generations. No need to wait for the official first date to get a little face time, however. Americans agree kids are ready for their first kiss at age 15 (15.1 on average), while on average, they had theirs at age 14.5.