Do you remember the first time you listened to your own or someone else's heart through a stethoscope? Doctor or nurse let you listen? Toy doctor set with a working stethoscope? Access to a stethoscope at home or at a friend's house? My first time was when I was 6 or 7, toy doctor set with a little bell steth that worked pretty well on a kid's thin chest, the first heart I listened to belonged to a neighbor girl named Donna who was a couple of years older than I was.