. >>> yesterday we told you the story of barbara goodfriend. with dignity than suffer with the disease. goodfriend lived in one of ten states that allowed terminally ill patients to take medicine to end their lives. eight other states are considering similar laws, but there is opposition. nikki battiste has both sides of the issue. >> so i need to ask you formally, are you sure today is the day? >> absolutely. >> okay. >> reporter: this is the day barbara goodfriend chose to die. >> okay. and you know when you drink the medicine, it's going to cause you to fall asleep and not wake up. it will be a peaceful, dignified death. >> reporter: seven months earlier, she was diagnosed with als, the fatal disease attacks the nervous system. >> i'm not afraid of dying. i'm just afraid of living. >> yeah. >> reporter: at 83, goodfriend, the widow and mother who worked in fashion, has chosen medical aid in dying, also known as m.a.i.d. m.a.i.d. laws allow a doctor to prescribe a mixture of lethal medication. but the patient, who must have six months or less