it depend how healthy they eat exersice and rest.
Height growth in adolescence is highly variable and depends on factors such as genetics, nutrition, and overall health. On average, boys will grow about 2-3 inches per year during their growth spurt, which typically occurs around age 12-16. However, individual growth patterns can vary widely.
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.
You can shave it and it will grow longer and darker
20 million grow in a year
Maybe the child has "micropenis" but i dont really think the penis is suppose to grow much before puberty.
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 :)