a kiss is a whole lot more than holding mouth.

Thus says Sheril Kirshenbaum, in her new guide The research of Kissing: exactly what our very own lip area Are Telling United States. Kissing, properly called “osculation,” is much more than a show of passion – it is a method of judging being compatible between associates and determining the chance that their unique union last.

Listed below are 10 nuggets of kissing wisdom Kirshenbaum offers her readers:

When Cher sang “It’s inside the hug,” she had been onto a great deal more than an appealing pop music song.