Apparently, this user prefers to keep an air of mystery about them.
16 Does the relationship between positive mood and motivation for sex differ between males and females? Dec 6 '12
13 Does cognitive training enhance dopamine release? Jul 4 '12
8 Are there any ways to increase dopamine and serotonin levels when working or learning something complex? Sep 26 '15
8 What part of the brain locks up when a man is in the presence of an extremely attractive female? Jan 16 '13