Am I still growing?

akcasino
Ive notices this for like 2.5 years now, but it never happened in high school. I mean I was poor in high school and we never had anything to eat. I work out and stuff and don't exert myself or maybe and don't know it. My sternum snaps all the time. like when I move my chest outwards, everything else snaps too but I think its weird. Why does my sternum snap like there's cartilage?
Am I still growing?
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