Hi.i Am 14 Years Old Boy.before 5 Days Ago My

hi.i am 14 years old boy.before 5 days ago my scrotum sack shrinked .i thought it will cure soon.but nothing happened now also it remain the same .i discussed with my mother she told this not a problem it will happen in these ages.but i am not satisfied i asked to my friends about this but they told this problem did not happened to them.what are the solution for my problems