A teen with a skin disorder gives people a glimpse into his life through social media. Marcos Burrola-Jaquez, 18, is known in his community as "Marky the Rock" for how strong he had been in the face of challenges. He has recessive dystrophic epidermolysis bullosa, also called butterfly skin because those with the condition have skin as thin as a butterfly's wings. It leaves Marky in excruciating pain. InsideEdition.com's Mara Montalbano has more.