Puberty in boys typically occurs between the ages of 9 and 16 and will be a time of change, Boys and Puberty. Boys and Puberty. Share. Changes to his body. Teen Boys. Feature Stories. 8 The Facts about Puberty (for Guys) Technically speaking, puberty is your body's way of transforming you into an adult. Teen: Young Adult: Healthy Concerns Boys Have About Puberty Boys Let your son know that these unexpected erections can happen and are normal signs that his.