I saw this and decided to share it. For long as follower of Sigmund Freud i believe on this but i have no "empirical evidence" until i come across this as one of 13 steps to richness as stipulated by Napoleon Hill's Think and Grow Ric

The Mystery of Sex Transmutation: Choose a compatible partner.

Sexual energy is an incredibly powerful human energy — it creates physical life and develops emotional life, and when it is harnessed and redirected, it can enhance our creativity, passion,enthusiasm, and persistence, all which are crucial in accumulating wealth, Hill says:

Sex desire is the most powerful of human desires. When driven by this desire, men develop keenness of imagination, courage, willpower, persistence, and creative ability unknown to them at other times.

Love, romance, and sex are all emotions capable of driving men to heights of super achievement. When combined, these three emotions may lift one to an altitude of genius.

While this step may feel like a bit of a stretch, having a supportive partner is important to career success. Research also shows that having a conscientious spouse can boost your salary by 25% a year.

Comments are welcome

http://finance.yahoo.com/news/78-years-ago-journalist-studied-150000180.html