It's a noun.
Comes from the adjective of "happy"
A single word can describe you
A short, five-lettered word can describe you.
And no, I'm not happy but it's not because of you.
I am unhappy with myself.
For the first time I am paying attention.
I am first, not you.
You are not the cause for my unhappiness and that's good.
Change doesn't appear unless you recognize it
And this is a big change for me
We made progress
Me and this keyboard made progress.
No sad rhyming because of him, only because of me.