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There is considerable physical evidence compared to other emotions (pleasure, sadness, anger), and hormonal activity becomes very strong when you feel love. When you fall in love, the brain secretes various chemicals, including pheromones, dopamine, norepinephrine, serotonin, oxytocin, and vasopressin. Just hugging a loved one or simply looking at a picture of a lover releases a hormone called oxytocin in the body, acting as a painkiller for headaches.
Biochemically, phenylethylamine [18] secreted by the brain limbic system works, which is a kind of natural amphetamine, a stimulant. It's because phenylethylamine is the first step, but other hormones work, which are hormones such as adrenaline, dopamine, endorphin, oxytocin, and serotonin that are used in stimulants. The expression "love is a drug" is actually the opposite because drugs imitate love.
However, the secretion of phenylethylamine has a shelf life, so it generally does not exceed two years. There are individual differences in this, so many of them are over in three months, and in some cases, it lasts up to three years. If two sparks fly at the same time and one person finishes at three months, and the other goes for two years and three years, tragedy will occur from then on. In other words, after that period, the brain, which had been exhausted by drugs, will regain its grip. Link to bean pods off. From this point on, love ends the chemistry phase and moves on to the sociology phase. Some say that the two-and-a-half years are meant to build and strengthen ties and intimacy with the other, and that the couple who don't become a parrot couple will sink in a moment of excitement and fall into ennui. At this time, the secretion of phenylethylamine decreases, but [19] oxytocin is actively secreted, resulting in comfort with each other. Link
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There is considerable physical evidence compared to other emotions (pleasure, sadness, anger), and h