Its Testosterone to EPITESTOSTERONE ratio and NOT Estrogen Joe. It never ceases to amaze me how ignorant Joe Rogan is on a lot of topics he professes to be so passionate about. Men have testosterone. Women have estrogen. Estrogen is a female sex hormone for crying out loud. A normal full bodied male having a testosterone to ESTROGEN ratio of 1:1? Means he is not a man to begin with!