Situation 5: A mutant may be born.

cause of the decreased secretion of testosterone. Decreased libido.

Situation 7: If you 't accept the bondage. Then don't have sex on the space station.

Except "69 type".

Situation 4: No effect of gravity. The heart needs to work harder to send blood to all parts of the body.

Have 2 men and women tested in weightlessness.

There are only 4 positions suitable for use in zero gravity.

in.

The four poses are:

NASA ducted a love experiment on a spaceship

year 1996.

But because there is no gravity in space.

"69 style", "female upper position", "traditional pose", "hip ing style".

Situation 6: Sweat, tears and body fluids are all floating in the space station.

For the rest of the poses, you must use heavy estic straps to bind both sides.

Select 10 poses with high feasibility.