Run to FRAU-M for "FULL ZEN!".

.. In ancient times, Taoist hedonistic monks believed that sex was very good and saw nothing wrong with spending time with pretty villagers. It seemed obvious to them that this state is extremely similar to enlightenment.

And the whole point is this:

Immediately after sex, the body receives a powerful boost of three hormones: dopamine, endorphin and oxytocin. All of them make you feel good, as well as more focused, more balanced. In addition, the level of the stress hormone, cortisol, decreases.