Generally, no unless he has hit puberty. It is the hormones that allow boys/men to have facial hair.
Discharge.
Extremely unlikely.
Don't be in such a hurry. You will probably have no trouble growing a goatee by the age of 14. Meanwhile, enjoy your childhood.
You can shave it and it will grow longer and darker
The best way for a 12 year old boy to grow is to eat a well balanced diet with lots of protein and vegetables, and to exercise regularly.
It depends on the size of the boy since all 5 year old boys grow at their own paces.
A 13 year old boy needs alot so he can grow the becom a big boy he actually needs 1500-2000 calories a day deppending on his size.
Yes, he will most likely grow out of this phase.
if you are young and while you grow up you can.
A thirteen year old boy should be at least 150 cm in height.If you are above 150, its normal but below it....
grow some facial hair
It is very difficult to determine how much more a 15 year old boy will grow. However, it is likely that it will be another four to five inches.