What changes will happen to your body after falling in love? Some of them you may not even realize...

Expert of this article: Zhao Wei, MD, associate chief physician, Tianjin University Teda Hospital

Are there people around you who change completely once they fall in love?

There are spiritual ones: for example, "A man transferred hundreds of thousands of yuan to his online 'girlfriend', but after police investigation, he found out that the object was actually a shaggy man who picked his toes", "An old man met his online lover in person and was defrauded of tens of thousands of yuan, even though he had never met her"... You must have seen this kind of news many times.

There are even many physical changes: many people who are obviously lovers are mistaken for siblings or older siblings because they look so similar, which is what we often call "husband and wife look alike."

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There are many changes that you may not even notice...

Husband and wife look alike?

People tend to trust people who look like themselves. When choosing a partner, people tend to choose the opposite sex with similar physical features to themselves. Even if they cannot see their own appearance, they will consider their parents as a "blueprint" when choosing a partner.

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If they are long-term lovers or married couples, the couple look is mainly related to convergence. Convergence refers to the fact that the lifestyles and behaviors of two people tend to be more and more consistent in their lives together. The longer two people are together and the closer their relationship is, the more they look like a couple.

Because two people will imitate each other's facial expressions. Over time, their faces will look more and more similar. If one person often smiles in a certain way, the other person is likely to imitate it, so both parties may develop similar wrinkles on their faces. Therefore, couples who look like a couple have a more stable and intimate relationship.

In recent years, there has been a new theory that intestinal flora contributes to the resemblance between couples.

Living in the same environment makes the intestinal flora of the couple similar, which can affect a person's health and the neurotransmitters in the brain. Similar intestinal flora makes the couple's personality and behavior habits more and more similar, and even their physical characteristics become similar.

Happy fat?

After falling in love, you will feel that your weight has increased unconsciously. Maybe this is not fat, but happiness is expanding.

1. The happiness brought by love increases people’s appetite.

2. During the course of a relationship, couples have more opportunities to choose to eat out. They tend to order more food, and their intake of fat, carbohydrates, and salt increases. Snacks bought for each other when shopping or watching movies, such as French fries, cola, and milk tea, can also lead to weight gain.

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3. Few people exercise. Many people go out to eat and drink, but few people go out to exercise.

Is it the “love brain” that lowers your intelligence as soon as you fall in love?

"Love-brained" refers to those who are overwhelmed by love and put all their energy and thoughts on love. How do people with "love-brained" lose themselves? What are their characteristics?

Can't see the other person's shortcomings

Beauty is in the eyes of the beholder. People with "love brain" have filters in their brains, which reduces their judgment and makes them unable to see the shortcomings of the other person.

Scientists used functional MRI scans to find that when people fall in love, the function of the frontal cortex and amygdala in the brain is inhibited. The frontal cortex is an area of ​​the brain that is important for judgment, and the amygdala is an area of ​​the brain associated with fear. This may also explain why people sometimes do things recklessly when they fall in love.

When you are in love, your body also secretes a love hormone called phenylethylamine, which is an endogenous stimulant that can make you feel crazy.

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Fear of breaking up, losing behavioral boundaries in order to gain control

Studies have shown that being in love can increase the body's dopamine levels. Dopamine is a reward neurotransmitter in the brain that is associated with desire and addiction. The surge in dopamine levels makes people crave love and become addicted to the feeling.

Being in love can make people secrete another hormone - oxytocin. Oxytocin increases attachment, trust and security. Oxytocin secretion increases after sex and caressing. It can make the relationship stronger and reduce interest in other opposite sexes. People with "love brain" have a strong sense of attachment, are often afraid of breaking up, and want to know everything about the other person.

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Single-minded, prone to anxiety and mood swings

When dopamine levels rise, levels of serotonin (a hormone that controls mood and appetite) can drop, making people in love feel anxious and nervous.

Increased adrenaline levels can cause physical reactions such as accelerated heartbeat, stomach discomfort, sweaty palms and dry mouth. These changes in hormone levels make people with "love brain" more stubborn and anxious. A single word from the other party can make the "love brain" furious.

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