Okay first I would like to say the beginning was good. I really liked the rhythm and how it rhymed up until here:

"I still need you and i still want you
But you're changed
And I'm not happy
Don't you realize how everything is now crappy?
Things were better when we were friends
So i think that's how we should end "

I think you should have kept the rhythm going. And maybe it would have helped if you had organized it into stanzas. But for happy, and crappy, I would say look for a thesaurus. Or worded it a little differently. But the overall idea had potential, but it could use a little work. I'm not trying to be mean, I jist saw your post and im trying to be honest. If you would like any more comment, just comment me, and be sure not to have any one liners, I will return the favor.

~skittz