Why do humans kiss, hug, hold hands or like to touch others (bodies)?

The word kiss [kiss] [k? s]v . kiss； touch control

The word hug [Hugh][h? Hug; Hug tightly; Yes; close/immediate/next-door neighbour

The word touch [tuhch][t? t？ Touch; Touch touch

First of all, not only humans, but also most mammals (frankly, there are many other animals) like physical contact.

First of all, not only humans, but also most mammals (frankly, there are many other animals) like physical contact.

The prototype of the word mammal: mammal ['mam-uhl]['m? ML] Mammals

Frankly ['frank] a. frankly; Duly

The word physics ['fiz-i-kuhl]['f? z？ Kl] adj material; Physics; Physics; Physics; bodily

I don't know the neurochemistry behind it, but in essence, physical contact with another creature requires a lot of trust.

I don't know the neurochemistry behind it, but it usually needs a lot of trust to make physical contact with another creature.

The phrase realize ... know ...; We are fully aware of the seriousness of the situation. We are fully aware of the seriousness of the situation.

The word nerve ['noor-uhl,' nyor-] ['njr? nervous

The word chemistry ['kem-uh-stree]['kem? Strict chemistry

Essentially, the word [? Li Sen] In essence; the original

Constant contact means that you may be with a trusted ally, so you are safer than when you are alone.

Frequent contact means that you may be with a trusted ally, so you are safer than one person.

The word continuous prototype: continuous [suh-' steyn][s? ]ste？ Support; Bear; Maintenance; Recognition; experience

The word ally ['al-ahy, uh-'lahy]['? Los Angeles? ] allies; partner

The word security prototype: security adjective comparative [seyf][se? F] safety; Safe and sound; reliable

Humans are social animals; We evolved to work together and have friends.

Humans are social animals; We have evolved to work together and make friends.

The word pack [pak][p? K] a group; A pair; parcel

The word evolutionary prototype: evolved [ih-'volv] [I 'v? Lu] v (cause) gradually formed; (cause) to evolve gradually; develop

In addition, touching other people will release oxytocin, which is usually related to happiness and warm and vague feelings.

In addition, touching others will release oxytocin, which is usually related to feelings of pleasure and warmth.

The word releases prototype: release [ri-'lees][r? Lee? Release; Emissions; issue

The word oxytocin [ok-si-'toh-suhn][ks? ts？ Oxytocin (one of the hormones in the posterior pituitary gland)

The word commononly ['kom-uhn-lee] ['k? m？ Generally speaking; Usually; present

Word association prototype: associate [uh-'soh-shee-eyt][?' s？ ie？ Lenovo; unite

The word happiness. happy

The word warm. warm; Warm; Enthusiastic

The word fuzzy ['fuhz-ee]['f? Zi] furry; Ambiguity; Ambiguous (emotional)

Oxytocin is very important for establishing intimate relationships with others. Whether you like them or not, some studies show that it is also important for maintaining sexual desire and arousal.

Oxytocin is essential for establishing intimate relationships with others. Whether you have romantic feelings for them or not, some studies show that oxytocin is also important for maintaining sexual desire and passion.

The phrase "no matter" means "no matter"; No matter ",followed by nouns, pronouns and clauses. Wherever it rains, we have a lot to do.

The word essence, sen? L] necessary; Necessary; important

The word intimacy ['in-tuh-mit]['? nt？ m？ T] intimacy; Private; Closely combined

The prototype of the word bonds: bond [bond][b? Nd] n. combine; Contact information; Friendship; adhesive

Regardless of the word [ri-'gahrd-lis] [r? dl？ S] no matter; pay no attention to

The word romance [roh-'man-tik][r'm? nt？ Kli] romantic; Fictitiously; completely

The word implies [suhg-'jest, suh-][s?' d？ Est] vt。 Suggestions; Prompt; Think of; Display; ask

Maintain the word prototype: maintain [meyn-' teyn][ me? Isn't it? Maintenance; Maintenance; Maintenance; emphasize

The word ['sek-shoo-uhlor, especially English,' seks-yoo-] ['sek? u？ L] sex; Sexual desire; Having sexual reproduction; sexual

The word desire [dih-'zahyuhr][d?' Za] eager; Desire; desire

Wake up the word ra? Zl] n. excitation; Encourage; Wake up; stimulate