With sex, there will always be pressure to meet and impress a mate.
When it comes actually choosing a partner, there is a lot to consider.

For us, it might be somewhat more complicated than picking the one that smells best.

But there is no doubt that the pressure can be heavily influenced by the chamistry - natural drugs that flood brain.

Whan love is in the air, the body can undergo some dramatic changes.
Signals from the brain speed up the metablosim of glicose.

As a result, body temporature rises, skin sweats, allowing the sponge tissue in the penis to fill with blood.

At the height of sexual excitment, millons of sperm are squeezed out of storage and swept up by fluid gushing from several glands, include the prostate.

The flood carries then into a 15 inch-long tube, looping into the abdomen and then out through the penis.

It's only about a teaspoon of liquid, but it typically contains 300 million sperm.

Mi Amor, Mi Amor ...

From NOVA

Comment: mi amor, mi amor ... simple and scientific, but why the love story goes on and on, sad, charming and great?