what is it?

somethings missing
and i dont know how to fix it.
somethings missing
and i dont know what it is.
no i dont know what it is.
somethings different
and I dont know what it is.
no I dont know what it is.

friends
(check)
money
(check)
a well slept opposite sex
guitar
(check)
microphone
(check)
messages waiting on me when
i come home...

how come everything i think i need always comes with batteries?