Yes. Anyone of any age can have back surgery.
U can get plastic surgery but why
I would not advice this as a 12 year old girl would not be fully developed yet.
You can just pop it. It is normal.
you call a 16 year old girl a 16 year old girl
no
It is highly unlikely. If a 12 year old boy likes a girl he normally has the common sense to be kind to her and see if she likes him back.
a 10 year old girl
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i guess that depends on if you are the parent of the girl or you are the girl.
tell him to back off and that he is way to young for you
Yes
yes they can