Intelectual benefits from retention?

[markern]

Has any of you felt that you have gotten intelectual benefits from retention? Or by not having sex/masturbating? In CHias books he suggests retention will increase brainpower. I can at least see that the energy gained from retention might bosst brainpower somewhat. I also seem to come across research that seems to indicate some sort of correlation between sex hormones and IQ like on this page:

 

http://www.gnxp.com/blog/2007/04/intercour...ntelligence.php