"Says who? Even, adults, who arn't careful, can get tricked. But, You must understand that there are many more good people than bad in this world. It can be scary meating new people, since you don't know them, but what if you would like them, how would you know...
You can shy away from every unknown, or you can live your life and not worry about what might happen. There enough to worry about in the present to be looking to the future so readiliy"