Green Day - No One Knows Lyrics

Why should my fun have to end?
For me it's only the beginning
I see my friends begin to age
A short countdown to their end

Well, call me irresponsible
Well, call me habitual
But when you think of me
Do you fill your head with schemes?
Better think again 'cause no one knows

I don't want to cause no harm
But sometimes my actions hurt
Is there something I should find
To make plans for forever

Well, call me irresponsible
Well, call me habitual
But when you think of me
Do you fill your head with schemes?
You better think again 'cause no one knows

Call me irresponsible
Call me habitual
Does it seem like all your memories fade?
(But when you think of me)
You soak up knowledge to fill the space
(Do you fill your head with schemes?)
And still my answer remains, I don't know
(Better think again 'cause no one knows)
I don't