SEALs are notorious for telling riveting stories without a shred of emotion. There's a good reason for that. They've been trained to keep their emotions at bay-to be hard-so they can accomplish seemingly impossible missions. Rarely do you find a Navy SEAL who is willing to be vulnerable and share from the heart.
Mark Greene is one of those SEALs. For years, he didn't understand how emotions played a part in decision-making. He had trained...