'If people are doubting how far you can go, go so far that you can't hear them anymore.' She went far. Farther than they could reach her.
Once we reach puberty, there are certain changes which happen in our body and signal towards our maturity. Different types of hormones are released which cause these changes. It feels awkward to experience these transformations in our body, but we should welcome them since it shows that we are healthy and hormones are released timely.