If we consider the amount of information we gain from someone's words as "1," then the amount of information we gain from saliva is a staggering "200 million." It is said that people find the scent of someone with a different immune system (MHC genes) pleasant, increasing the likelihood of producing healthier offspring. Kissing is also a place for exchanging scent information, and we instinctively choose our partners. It is said that being licked all over your body and being enveloped in saliva causes a massive release of "happiness hormones" such as endorphins and serotonin in the brain, making you feel five years younger. By now you should understand. Drowning in saliva, being enveloped in a woman's mucous membranes during a French kiss, and finally reaching the peak of pleasure with a handjob... There is absolutely no greater happiness than this. It must be.