1.I'm happy.My defination of happy is always pursuing something that is far away from you but you know you will get it.
Happiness to me,could be Bill Gates,being able to buy all the materail substances in teh world.
Happiness to me,could also be Bono,being able to entrance every vibrant heart.
2.Personal facters and social ones.
3.Be happy as long as you want.
Just give you some points,no intention to get your award