Relations between children and parents are a very serious ans widely spread problem. Nowadays there are a lot of unsuccessful families. In these families children become masters of their own life and fate. Some children spend a lot of time in bad companies. They begin to smoke, to drink alcohol and to take drugs. Parents don't know about it. Some teenagers begin to miss lessons at school. The reasons may be different ... 
I'll be very grateful  if you write your thoughts about main families problems .. what causes them in your opinion? and what can both children and parents do to avoid them?