First of all,self-protection isimportant.When we run into trouble or danger,we can choose to call for help,butthe best way should be take measures to protect ourselves,especially when wecan do it.Then,how should we protect ourselves?Here is my advice.First,weshould always be ready for possible danger.Second,we must not be nervous whenthe dangerous things have come .Third,if the problem is really beyond ourselves,it is best for us to ask for help instead of risking .