These 4 sexually transmitted diseases can't be prevented even with a condom—so be extremely careful!

Handcraft: GUNDAM Models

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The 17-Year-Old Syphilis Patient Who Left a Deep Impression on Me

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How a Car Engine Works

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How long does it take to recover from quitting porn?

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

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Incest, but not completely

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An 8cm long * actually has to do so much work?!

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

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This little human baby, who’s quick-eyed, quick-handed, and even quicker-tongued, must be starving!

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Why does the doctor always pry into my sex life?

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He was supposed to keep shining and contributing, but his life came to an abrupt end.

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Breech presentation—doctor performs manual external cephalic version.

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The Fertilization Process of Sperm and Egg

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Dreaming back to the economically booming era of the early 2000s!

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【Deadly Woman】Famous scene! oh, youth!

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Even a single swipe with an eraser causes it to slip—don’t believe me? Try it yourself!

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What is excessive masturbation?

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The Butterfly Effect

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So impressive—still alive after being hit by a bazooka, and it didn’t even explode! "Grey's Anatomy"

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An auntie thought she had advanced-stage kidney cancer, but the doctor burst out laughing after seei

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