Kisses - one of the favorite moments associated with falling in love. And, besides, what brings health benefits, there are some curious facts about them.

Kiss style is defined even before birth.

A German researcher watches over 100 couples while they kiss, and notices that two-thirds of them tilt their head to the right. The expert believes that this instinct occurs in the womb, where the child's head is naturally set in this direction.

Kisses Demand Serious Muscular Strength Scientists from the University of the Rhine Institute at London University College study kissing couples while scanning their brains with nuclear magnetic resonance.

Researchers explain that a kiss requires coordination of a total of 146 muscles, including 34 facial and 112 postural.

The longest kiss lasts more than 58 hours According to the Guinness Book of Records, this is the longest kiss for the spouses of Excachai and Laxansa Tiaranat from Thailand. They do not separate their lips for 58 hours, 35 minutes and 58 seconds.

How many of our lives do we spend in kisses?.

According to experts, the average person spends 20, 160 minutes of his life on kisses.