What role does kissing play and why are they so important in couples' relationships? There are three main assumptions about this topic. Some believe that kissing helps people assess potential partners, possibly by transmitting pheromones, chemical signals that convey information about health and immune compatibility. According to another hypothesis, this is a way to "sniff" each other. There is…

What role do kisses play and why are they so important in couples' relationships?
There are three main assumptions about this topic. Some believe that kissing helps people assess potential partners, possibly by transmitting pheromones, chemical signals that convey information about health and immune compatibility.
According to another hypothesis, this is a way to "sniff" each other. There is scientific evidence that smell carries certain information about a person. According to recent studies, women are attracted to the smell of men who have high levels of the male hormone. – testosterone. In addition, kissing stimulates arousal before sex.
To test these assumptions, study authors Rafael Wlodarski from the University of Oxford (UK) and his colleague Robin Dunbar conducted an online survey of more than 900 people (308 men and 594 women) aged 18 up to 63 years old, 55% of whom were in a long-term relationship. They answered questions about the importance of kissing in long-term relationships and short romances at different stages of relationship development.
The results showed that women in general, as well as men who consider themselves attractive, rate the value of kissing higher for relationships. According to the researchers, this is due to the fact that probably "kissing helps them in some way to evaluate partners." Therefore, the assumptions according to which, when kissing, the taste or smell of a partner helps us on a subconscious level to assess the genetic characteristics of a potential partner and make a choice, are quite justified.
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