I'm 14 now but I have had my cheast bone sticking out ever scenic I was born and it sticks out fair ether ever 6 years and I'm not scard to go swimming or take my shirt off in public and my chest bone stickiest out from where my boobs are about 1and a half inchest and my friends at school think its cool in 7,8and9 grade my chick friends even come up and feel it and they say that it feels cool and I play baseball and football and work on a farm if you don't think about it you hardly even know that it's there and don't be afraid to go swimming or take your shirt off.