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."
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.
You Lose Your Appetite
Justin Lehmiller of Harvard University told the Purdue Exponent that kissing releases dopamine, which is known to suppress feelings of hunger. That explains why you're not concerned with food after you've swapped a smooch with your partner.
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.
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.
Kissing can transmit many germs, including those that cause cold sores, glandular fever and tooth decay. Saliva can transmit various diseases, which means that kissing is a small but significant health risk. It's not all doom and gloom. Research into passionate kissing has uncovered many valuable health benefits.
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.
A long kiss releases dopamine, oxytocin, and serotonin, feel-good chemicals that will make him smile. A single smile produces endorphins, another hormone that lifts his mood. Endorphins also create a “feedback loop” that will make him smile over and over.
A kiss on the neck usually means that he just can't get enough of you. If he kisses you on your neck, it means that he loves you and is passionately drawn towards you.
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.
Do not touch your lips to their cheek. The number of kisses and which side of the face you start with differs from place to place and culture to culture. If you're doing a single kiss, the most common way is right cheek to right cheek. For a double kiss, it's usually right cheek first, then left cheek.
They really like kissing you.
If you and your partner are making out and they suddenly reach their hands up to cup your face, they're probably having a good time. You can take it as a compliment and return the favor. They also might stroke your cheek or grab the back of your head. These are all good signs!
Our lips and tongues are packed with nerve endings that can make us feel dizzy and excited when we're in a beautiful embrace.
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.
Intense feelings of attraction, love, and affection can create a strong urge to express these emotions through physical touch, including kissing. Hormonal changes and chemical reactions in the brain can also contribute to the desire to kiss, creating a feeling of excitement and anticipation.
Lip-biting can be a sign of flirtatiousness, of course, but it can also signify that someone is anxious, lacking confidence or simply concentrating on something. Maybe this gal has a lip-biting tic.
Anyone who's ever had the pleasure of being kissed on the neck knows that it feels almost surprisingly wonderful. But why? "For one, there's a lot of nerve endings on the neck, so it's super pleasurable,” says Morse. Plus, it's a super sexy extension of a make out.
Some guys may feel emotionally attached after kissing because it creates a sense of intimacy and connection. Others may not feel emotionally attached because they view kissing as a casual activity.
Using your hands shows that you are confident and skilled enough that you can focus on something other than just kissing someone. Whether it's running your fingers through their hair or tracing their back with your fingertips, having that extra stimulation shows that you really know what you're doing.
Gaze into your boyfriend's eyes.
Hold your gaze, so you're really bonding. You'll want to close your eyes when you actually kiss, but great eye contact is really important before you lock lips. Staring into his eyes allows those butterflies to build up in your chest—and his, too!
You've probably never timed it, but maybe you've wished it lasted longer. In John Gottman's relationship research, he was able to find that six seconds is the length of a kiss that can actually create a connection with your partner. In fact, he recommends you have at least one six-second kiss per day.
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.