A good kiss can move a romantic relationship along faster than a dozen roses and a heart-shaped box of single-source, artisanal chocolates. Understanding why you react to his kiss in certain ways can help you both turn the gesture into ecstasy. Recognize that certain biological facts underpin the good kiss, and you’re on your way to perfecting the art of the smooch.
Kissing releases body chemicals associated with romantic and emotional bonding such as oxytocin and pleasure, such as dopamine. That’s why we unconsciously use kissing is a way to assess each other as sexual partners. Men, especially, gauge your kiss as a prediction of how you might perform under the sheets.
Women view kissing not only as a way to spike those chemicals but also to judge relationship compatibility. Men are ready to take it to the next level without those evolutionary concerns. A kiss can be emotionally meaningful to him, but let’s face it: it’s a great way for him to lure you under the sheets.
And that brings us to men and women differ in their kissing preferences. Men tend to prefer wet, sloppy open-mouth kisses that women find a little bit yucky unless they are really into the guy. There’s a reason he is slipping you too much tongue.
Love experts say a man uses the technique to dose his kissing partner with small amounts of libido-raising testosterone. It’s in the saliva. Swapping spit over a period of weeks or months increases the woman’s libido. And neither of you may be aware of the biological chemistry behind his smooth move as he’s heading toward sex.
Now that you’ve heard the Biology 101 behind this treasured art form, here are some tips info that can make kissing even more pleasurable:
The nose knows. While you are kissing, you are sniffing out your partner as a potential baby-making match. Our bodies are looking for DNA that is different from our own, and scent can be a clue. Don’t ignore the signal. It’s one reason why we all spruce up for dates and slather on the aftershave and perfume after showers. Even if cosmetic fragrance throws you offer the scent during the first few days, you’ll still pick up on his DNA in a short while.
Liquor truly may be quicker.  Mild alcohol intoxication can raise the temperature while you’re kissing. It’s true that one or two drinks can relax your inhibitions and lead to kissing. It’s also true that drugs and alcohol stimulate some of the same brain chemicals as a kiss. It can be hard to tell whether you have passionate feelings about your partner or whether the stimulants are telling your body that he turns you on.
Wear red lipstick on your first date. Researchers say the color is alluring because full red lips signal youth, estrogen and fertility. Play up your natural assets with bright red.
Read more: “The Science of Kissing: What Our Lips Are Telling Us,” by Sheril Kirshenbaum, amazon