Little-known facts only doctors know! Both men and women should be aware～

How to * healthily? Male Xueno online teaching

chuntaiharu

8 Views

My wife is suffering.

xiaochenwuni

515 Views

Dress like this to look slim and healthy (black tight top + loose mid-waist large-size flared jeans

CCjunaitiaowu

33 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

danzijihe_04

86 Views

The alchemist came to "make pills" again. I’ll take some jujube kernel pills today and sleep better.

carlo_serrano

5.2K Views

Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

17 Views

A massage in Japan made me cry

lingzireiko-

77 Views

The main feature is a fresh

huichiyouhuizuo

20 Views

Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

haoqiwanhuatong

16 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

28 Views

How strong is the force of regular CPR? I feel like my ribs are going to break in the next second.

palmer_collins_03

29 Views

Speed bumps: amazing work by skilled workers.

jixiepangke

12 Views

[Girls Beware] How miserable is a boy’s menstrual period?

fangfangbienao

11 Views

Why do CNC engraving machines make seasoned craftsmen both love and hate them?

jixiepangke

105 Views

The first step after a burn is not to go to the hospital immediately!

danzijihe_04

64 Views

The point of this video is that girls can try massage to relieve menstrual pain ^_^ (Girls must be g

linxingyun

146 Views

Decompression video of the skilled worker series!

jixiepangke

32 Views

A satisfying work site at the speed bump of humanity~

jixiepangke

59 Views

After watching the video, I want to drink water...

kuailexiaole0106

306 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

29 Views