I'm not a poet

I'm not a painter, 
but if I were, you'd be my muse. 
I'm not a sculptor, 
but if I were, I'd only sculpt you. 
If I were a singer, I would never run out of songs, 
People would get tired of how my serenades go on and on. 
If I were a writer, I'd never run out of words, 
The main characters in my books would all be a little like you.          I'm not a poet, 
but if I were, you'd be the poem.