Andy Thomas has done PhD in sexology and knows about human sexuality including human sexual interests, behaviors, and functions. Currently, he is working as a sexologist and a blogger at Malexpills. He knows different kinds of supplements and devices to be sexually active. As a sexologist he has 6 years of experience, specializing in sexual and relationship statuses. Go through the blog https://malexpills.com/quick-extender-pro-before-after/ to know more about his skills.