Growing into You!For tweens and young teens of all gender identities, a shame busting, interactive guide to puberty! Body hair. Changing friendships, feelings, and fluids. The tween years can be awkward and confusingbut with enough information and an open mind, you can thrive! Growing into You! has all the puberty facts you're looking for and more. For example, did you know that: Voice changes happen to people of all genders? Breast buds aren't something only girls