It's not really an edge that you're good-looking and talented for someone to discover your potential. Aside from that, Llewyn Davis drifter persona is not what we usually like to mingle with.
Oscar Isaac is handsome and he delivers a memorable performance. Deserving of a Golden Globes nomination for Best Actor in a Musical/Comedy.
I think Llewyn Davis and Holly Golightly could be a perfect couple. Llewyn may have his own version of "Moon River".