If there’s a teenager in your family, life can be very tumultuous, for the teenager and for everyone around them. When your child reaches the age of 12 or 13, a sudden change comes about, and they find themselves going through a series of emotional and physical changes. All of a sudden they start behaving in very unusual ways, some of which can be very worrying. It can be difficult for the inexperienced parent to know whether the behaviors of their teen are normal, or if it’s an indication there might be something seriously wrong. So, what are some unusual behaviors of your teens that may be of concern?