>>81740312It's not pheromones it's neurotransmitters you get them by touching skin as well but during kissing since lips are extremely sensitive you get a a way higher volume and when you french kiss it's also waaay more since youre touching tongues. Also theres probably a psychosexual component there swapping fluids is very arousing for us
>>81740329Yeah but kissing is pair bonding amped up to 11. Constant, and high volume stream of oxytocin, dopamine, and serotonin while french kissing. Not sure if there are any studies about this but wouldn't be surprised if kissing often increases your odds of having a longer marriage