what does it mean to be happy?

What does it mean to be happy? Cause it looks like we all don't know Glass half, full or empty Man we just putting on a show We try to look to the heavens To tell us things that we beg to know Like what did this all mean If there's no tomorrow Oh you know, I try To find a purpose in my life To drive me, to guide me Oh doctor I feel dead inside We try to look to the heavens To tell us things that we beg to know Like what did this all mean If there's no tomorrow Oh you know, I try To find a purpose in my life To drive me, to guide me Oh doctor I feel dead inside What does it mean to be happy? Cause it looks like we all don't know Glass half, full or empty Man we just putting on a show We try to look to the heavens To tell us things that we beg to know Like what did all this mean If there's no tomorrow Oh you know, I try To find a purpose in my life To drive me, to guide me Oh doctor I feel dead inside