in.

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

Situation 5: A mutant may be born.

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

Except "69 type".

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

year 1996.

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

cause of the decreased secretion of testosterone. Decreased libido.

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

NASA ducted a love experiment on a spaceship

The four poses are:

But because there is no gravity in space.

Have 2 men and women tested in weightlessness.

Select 10 poses with high feasibility.

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