Could it be that sexual energy is 'life force'?
OSHO is an Indian mystic guru who died in 1990. But his legend lives on. He was called a Godman and people from all over the world traveled to be in his presence to ask simple, existential questions. Almost without ever blinking, he answers calmly and he does make a lot of sense. To me at least. But check him out... there are hundreds of videos on youtube, I figured we'll start with this one...