this is the precious 7-week-old locklin.s been fitted with his very first hearing uncomfortable, and you'll think he'll cry, but watch the reaction when he hears -- >> hi! >> oh! >> hi! >> he's smiling. hello! >> oh, my gracious. oh, this is remarkable. >> it's not so bad once you see their reactions. >> in the room with him are his mom and dad, michelle and toby, and not only is the first time the baby is hearing, but this is also the first time he's smiling for them. it's too big firsts for the family. >> what's remarkable is they discovered his hearing issue this early in life. >> well, at four weeks old, he had a newborn diagnosis which revealed he hadd ede moderate t severe hearing loss, and three weeks later, they placed this hearing aid. he's now 2 years old, learning how to speak, loves listening to music, and he is a happy child. >> such a magical moment. in the beginning, he's not happy, kids are never happy, but the moment where the eyes are wide, and goes, oh, and he realizes, hang on, this is a new thing. such a