When your child is going through the age of pre-teens, they need parents attention and indulgence in mostly every sphere of life. But once they reach the age of adolescent and teenage start, a child starts facing multiple emotional changes in his/her entity such as ego, selfishness, etc.
It’s a delicate period of mental as well as physical transformation due to which they feel and notice every small incident, argument and action done in favour or against them. At this age, a child develops a feeling of security and privacy in his life. It’s better to maintain a healthy and strong bonding with your child that they share everything with you(mother or father) themselves instead of trying to spying on them or their phones, as it may impact negatively on their minds which may directly hurt their ego.