Through mark’s teaching, entrepreneurial endeavors and travel to foreign countries, he noticed the power of mental toughness, emotional resilience, intuitive. Webcommander mark divine, a retired navy seal and founder of sealfit and the popular unbeatable mind academy, presents his insights on how to forge mental toughness,. Webin unbeatable mind mark divine tells you about his personal methods of controlling your mind and body, and he incorporates breathing methods, meditation, he.