Teens go through a series of emotional and physical changes that can result in baffling behavior. Knowing what is normal and what is not can help parents spot emerging mental health issues. Your child turns into an alien about the time she turns 12 or Not only are you, as a parent, baffled by these new behaviors, but your teen is also frequently baffled and alarmed at the new thoughts and feelings she is experiencing. For girls, the same two hormones begin stimulating the production of estrogen. As the reproductive organs begin to mature, both boys and girls start experiencing physical changes as well as emotional changes.
You've lived through 2 a. So why is the word "teenager" causing you so much worry? When you consider that the teen years are a period of intense growth, not only physically but emotionally and intellectually, it's understandable that it's a time of confusion and upheaval for many families. Despite some adults' negative perceptions about teens, they are often energetic, thoughtful, and idealistic, with a deep interest in what's fair and right.
Your child used to value your interest or input, but now it seems that even simple conversations turn into arguments. Not all teenagers are rude or disrespectful, but disrespect is a common part of teenage growth and development. But your child is also still learning how to handle disagreement and differing opinions appropriately. Also, your child is trying to balance their need for privacy with your need to stay connected and show you care. Sometimes disrespectful behaviour might be a sign that your child is feeling particularly stressed or worried.
Although it can be stressful for you, this is all a normal and common part of adolescence. And this phase will pass. Some of the changes in teenage behaviour are explained by the way teenage brains develop.