it depend how healthy they eat exersice and rest.
The answer depends on the boy's age.
They grow as much as 4.5 cm year. But colonies of coral grow as much as 10 cm a year
Discharge.
Extremely unlikely.
20 million grow in a year
You can shave it and it will grow longer and darker
Well you ight stop growing but if your lucky you might grow a couplw more inches.
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.
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 means you've eaten too much and should get a nice sexy laced bra :)
Nothing you take will make you grow taller. Your DNA will determine how much you will grow, taking things like calciuim only provide the material to grow your bones...its up to your body to do it.
It depends on the size of the boy since all 5 year old boys grow at their own paces.