How do you no your in puberty?

Answer 1

Well, it depends if you are male or female.

In a male, the first step in puberty may not even be noticeable. The first stages in a boy are (in order), an increase in testicular size, a thinning of the scrotum, scrotal enlargement, emergence of thin downy pubic hair, then penile enlargement.

In a female, the first step of puberty is often breast bud formation, with the areola (the dark part around the nipple) starting to enlargen. At about the same time they start to develop light downy hair on their labia majora (the outside lips).