What does it mean to be happy?  

Is happiness laughter? Are you happy when you smile? When you experience something good? 

Or is there something more? 

How about to be sad? 

Are tears falling? Is it when all hope is gone, when you can’t figure out where it all went wrong? 

Or is there a different side? 

What are emotions? Do they vary from person to person? 

How can we ascribe a name to a feeling when emotions themselves are so vague?