muscles slowly degenerate. they die. reporter: when i met steve and his wife michelle at their new orleans home in march, i was struck by just how young and how beautiful they are. their playful relationship and his flirtacious smile. he was just like this big heman, strong guy and he s still strong in certain places but it s a huge contrast. reporter: two years into the disease, steve is paralyzed, and uses his synthetic voice to speak for him. it has not been easy. reporter: steve recently was thrust into the spotlight after three atlanta radio deejays mocked him using a fake automated voice as his own. knock knock. who s there. smother. smother who? smother me. do me a favor. reporter: the deejays were fired and apologized to steve later. steve issued a statement saying received and accepted. we have all made mistakes in this life. how we learn from our mistakes