Boys can continue to grow taller after ejaculation. The act of ejaculation in boys is a sign of representative maturity, it does not mean that growth and development have stopped, and they will continue to grow taller after ejaculation, probably until the age of 17-18. If the epiphysis is closed, it means that the boy can no longer grow. If the epiphysis is not closed, it means that the boy can continue to grow taller. Boys want to grow taller, it is recommended to increase nutrition, eat more high-quality protein food, more calcium, in addition to do more high jump, long jump sports, such as playing ball, running, jumping rope and other sports, help boys grow taller.