I found this article to show just how important estrogen balance is to a male.
Estrogen Suppression in Males: Metabolic Effects -- Mauras et al. 85 (7): 2370 -- Journal of Clinical Endocrinology & Metabolism
Estrogen Suppression in Males: Metabolic Effects -- Mauras et al. 85 (7): 2370 -- Journal of Clinical Endocrinology & Metabolism