Have a good attitude is't the best way having happy life 
We should don't develop a negative image of yourself. 
and don't compare yourself with other,just be yourself,
every Jack has his jill.You just need to have a positive 
attitude,treat people with respect and be responsible for 
the decisons that you make.

there are many kind of attitude we have.negative and 
positive,respect and disrespect,responsible and 
irresponsible.when you have a bad attitude.compare 
 yourself with other,and remove it.