You should focus on being happy with the way your body is as it is, and if you want your chest to be smaller, then work at an exercize routine for an hour a day or so.
Ni fanela u funa zwine na khou ita zwi kwama mvumbo yau na vhutshilo vhu ya leluwa, ivhani wa u thoma u swika mushumoni na wa u fhedzisa u ṱuwa zwi vhuye zwi tou nga ndi bindu ḽanu, na ita ngauralo linwe ḓuvha ni do vha ni tshi khou ḓi shumela.