Answer:
Teenagers are always trying to look like adults and act cool and all, like vaping and smoking, driving at high speeds, showing off there money and all to be popular, almost all of them are dare devils and want to show it off, that is why they would go out and party/drink all the time and get into other bad situations. 
Now there are 2 sides of it, teenagers may be participating in good behavior and taking a risk at the same time. This shows there bravery, passion and how much support they have in thereselves/will-power. 
 
        
             
        
        
        
Answer:
A driver must acquire defensive driving skills that include: ... way to remain relatively safe is to remove or reduce as much risk as possible in your situation.
( my mother would tell me avoiding a risk is hard but if your smart and think about what is going on around you and analyze the problem, when you've figured it out then your on you way to stopping a problem that could cost something major).
Explanation:
I hope this works, send me feed back if this doesn't help you.
 
        
             
        
        
        
Because both of them want to be controlling all the time
because both want to always be right most of the time 
        
             
        
        
        
 the answer is smooth muscles