Vomit is how i discribe my poems,
it reflects my mood from the heart,
whatever i'm feeling, it all just comes out,
and some poems are angry, happy and sad,
...
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Interesting first line - it's as good a metaphor for writing as any other - certainly better than James Joyce's in Ulysses. There is an element of outpouring in all writing, but it's how you channel it that counts.
Bravo! Bob Dylan described Like A Rolling Stone as vomit, I can't remember the exact phrase he used.